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A Radio. Prakticka Elektronika magazine
Amaterske Radio magazine
Circuit Cellar magazine
Electronique et Loisirs magazine
Electronique Pratique magazine
Elektor Electronics magazine
Elektronika dla Wszystkich magazine
Elektronika Praktyczna magazine
Everyday Practical Electronics magazine
Evil Genius magazine
Funkamateur magazine
Nuts And Volts magazine
QEX magazine
QST magazine
Radiotechnika Evkonyve magazine
Servo magazine
Stereophile magazine
Радио Телевизия Електроника magazine


Popular audio
Popular car audio
Popular DVDs
Popular faxes
Popular monitors
Popular monoblocks
Popular phones
Popular TVs
Popular video cameras
Popular video recorders and video players

Avest TVs
Beko TVs
Elenberg, Cameron, Cortland domestic radio electronics
Erisson TVs
Gorizont TVs
Rainford TVs
Rekord TVs
Roadstar TVs
Rolsen TVs
Rubin TVs
Vestel TVs
Vitjaz TVs

Power supply units for TV sets and video equipment

Benq-Siemens mobiles
Eastcom mobiles
Ericsson mobiles
Fly Bird mobiles
LG mobiles
Maxon mobiles
Mitsubishi mobiles
Motorola mobiles
Nokia mobiles
Panasonic mobiles
Pantech mobiles
Samsung mobiles
Sharp mobiles
Siemens mobiles
Sony-Ericsson mobiles
TCL mobiles
Voxtel mobiles

Beko household appliances
Braun household appliances
Candy household appliances
Elenberg household appliances
Elica household appliances
Gorenje household appliances
Hansa household appliances
Merloni household appliances
SEB household appliances
Snaige household appliances
Stinol household appliances
Universal household appliances
Whirpool household appliances

Bocsh electric tools
Makita electric tools

Collection of dumps
Correspondence of models and chassis
Horizontal-output transformers by HR company
Horizontal-output transformers by Konig company
Integrated circuits, microcontrollers and transistors
Mechanisms of audio and video equipment
Radio components by Atmel
Radio components by Cirrus Logic
Radio components by Maxim
Radio components by Microchip
Radio components by Mitsubishi
Radio components by Motorola
Radio components by National Semiconductor
Radio components by Panasonic
Radio components by Philips
Radio components by Rohm
Radio components by Samsung
Radio components by Sharp
Radio components by Sony
Radio components by Toshiba
Remote controls for TV sets and monoblocks

Alternative energy sources
Antenna amplifiers
Antennas. HF antennas
Antennas. Metering, adjustment, matching
Antennas. Technology
Antennas. Television antennas
Antennas. Theory
Antennas. VHF-UHF antennas
Assemblies of amateur radio equipment
Audio and video surveillance
Audio equipment
Audio-fidelity and speaker volume controls
Bells and audio simulators
Blenders, frequency converters
Car power amplifiers
Car security and alarm systems
Car. Batteries, chargers
Car. Car electric circuits
Car. Electronic devices
Car. Electronic fuel injection
Car. Ignition
Car. Security and alarm systems
Car. Speedometers and tachometers
Chargers, accumulators, galvanic cells
Citizens' Band radio
Clocks, timers, relays, load commutators
Computer devices
Computer interfaces
Computer moding
Computers. Using CAD programs
Consumer electronics
Crystal filters
Current controllers, voltage and power regulators
Data communication
Digital equipment
Electric installation work
Electric meters
Electric motors
Electric power supply
Electrical safety, fire safety
Electrician's reference book
Electrician's tools
Electricity for beginners
Electronics for home, garden, farmland, hobbies
Equipment protection from emergency operation, uninterrupted power supply units
Field intensity detectors
Filters and matching devices
For a musician
For an electrician
For an inexperienced radio amateur
For radio amateur constructors
For students
Frequency synthesizers
Grounding and neutral grounding
High-frequency power amplifiers
Household appliances
Indicators, detecting devices, metal detectors
Infra-red equipment
Lightning protection
Measuring equipment
Mobile communication
Oscillators, heterodynes
Personal safety
Portable radio stations
Power amplifiers
Power controllers, thermometers, thermostabilizers
Power supply
Power supply units
QRP equipment
Radiation indicators
Radio amateur computation
Radio amateur technologies
Radio control
Radio reception
Radio stations, transceivers
Reference materials
Security and alarm system using mobile communication
Security devices and alarm systems
Signal limiters, compressors
Sound systems
Sound-to-light units
Transistor power amplifiers
Tube power amplifiers
Upgrade of radio stations
Use of microcircuit chips
Various electronic devices
Voltage stabilizers
Voltage transducers, rectifiers, inverters
Welding equipment

Entertaining experiments in chemistry
Entertaining experiments in physics

Articles for builders and handymans
Basics of first aid
Basics of life safety
Big encyclopedia for children and adults
Biographies of famous scientists
Children's science laboratory
Factory technology at home. Simple recipes
Farm tools and mechanisms
For lovers of travel. Tips for tourists
Home workshop
Labour safety
Personal transport. Land, water, air
Radio for beginners
Reference information
Spy gadgets
The art of audio
The art of video
The most important scientific discoveries
Theory of inventive problem solving
Tips for radioamateurs
Wonders of nature
Workbooks, cheat sheets


ORDER OF DIAGRAMS  Order of schematic diagrams and service manuals

World air conditioners
World audio
World car audio
World DVDs
World faxes
World fridges
World microwave ovens
World monitors
World monoblocks
World phones
World photo cameras
World projectors
World TVs
World video cameras
World video recorders
World washing machines

Russian amplifiers
Russian b-w TVs
Russian car audio
Russian color TVs
Russian electrophones
Russian monitors
Russian radio
Russian r-gramophones
Russian tape recorders
Russian testers
Russian video recorders

Assembling the Rubik's Cube
Did you know?
Entertaining experiments at home
Funny puzzles
Interactive flash games
Optical illusions
Spectacular tricks and their solutions


© 2000-2018

Design and support:
Alexander Kuznetsov

Technical maintenance:
Mishell Bulah

Daniel Monchukin

Tatyana Anastasyeva

Natalya Kuznetsova

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Free encyclopedia of electronics and electrical engineering / All articles A-Z

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Also see Detailed descriptions of articles from magazines:

S / PDIF adapter

S.Shipovsky's constructions

S1B class rocket models

S3A class rocket

S3A rocket models

S4A class launch vehicle

S6A class rocket

S9N Class Shot Rotors

Sack knot

Saddle soap

Saddler of saddlery and saddlery. Standard instruction on labor protection

Safe cellar

Safe hacksaw storage

Safe motorcycle carburetor

Safe operation of tools, fixtures and fixtures, vehicles, safety and protective devices

Safe staircase

Safely charging Li-ion batteries

Safety and Sexual Culture

Safety at work and in an educational institution

Safety charger

Safety glass Triplex

Safety in railway transport

Safety in the operation of electrical wiring and electrical appliances

Safety instructions for electricians for repair and maintenance of electrical equipment

Safety of buildings and structures

Safety of children and adolescents

Safety of production equipment and vehicles

Safety on the bus

Safety razor

Safety regulations for electrical work

Safety requirements for out-of-school and extra-curricular activities

Safety requirements for the operation of hoisting machines

Safety requirements for the operation of vessels, cylinders, pipelines

Safety requirements when working on personal computers

Sahara Desert

Sail and ship

Sail on a rubber boat

Sailboat from logs

Sailing catamaran

Sailor-rescuer. Job description

Sales agent. Job description

Sales Director. Job description

Sales Economist. Job description

Sales Manager. Job description

Sales representative. Job description

Salmon node

Samovar on wood and electricity

SAN-bus in modern cars

Sand soap

Sandary glue

Sandblaster. Job description

Sandblasting machine. Standard instruction on labor protection

Sandblasting. Standard instruction on labor protection

Sandbox for the season


Sanitary and epidemiological requirements for working conditions

Sanitary and medical and preventive maintenance of workers

Sanitary cleaning of chemist's dishes. Standard instruction on labor protection

Sanitary requirements for industrial premises and workplaces

Sankey Nezhdanoffsky

Sarez Lake

Sargasso Sea

Satellite antenna guidance indicator

Satellite antenna pointing indicator

Satellite Tuner Radio Extender

Satellites of Jupiter

Sauna for bees

Sauna in a hurry

Sauna in the garden area

Save energy

Save light bulbs

Saving data in the radio memory


Saw-borer, engaged in longitudinal cutting of sawn timber. Standard instruction on labor protection

Sawdust instead of fuel oil


Sawing installation

Sawing of bones. Standard instruction on labor protection

Sawn timber spreader. Standard instruction on labor protection

Scaffold site

Scale - as printed

Scales on archimedean spiral

Scandinavian fjords


Scanning device

Scanning mode in the radio station ALAN-100 +

Scanning probe microscope

Scarecrow from the mirror

Scarf made of blue becomes white and back

Scarlet fever

Scart socket connector

Scarves are untied themselves

Scarves in the air

Scented pads

Scheduled Slowing

Schematic diagram of AVC-105 ringing audio panel

Schematic diagram of caller audio panel AVC-305

Schematic diagram of Ukrtelecom's apparatus

Schematic diagram, pinout (wiring) cable Nokia 5110/6110

Schematic diagram, pinout (wiring) cable Panasonic GD-70, GD-90

Schematic diagram, pinout (wiring) cable Samsung SGH-200, SGH-288

Schematic diagram, pinout (wiring) of cable Panasonic GD-35, GD-52, GD-92, GD-93

Schematic diagram, pinout (wiring) of Nokia 3410 cable

Schematic diagram, pinout (wiring) of Nokia 7110 cable

Schematic diagram, pinout (wiring) of Nokia 8210/8850 cable (Mbus)

Schematic diagram, pinout (wiring) of Siemens C25 - SL45 cable, pinout

Schematic diagram, pinout (wiring) of Siemens C25, S25 cable

Schematic diagram, pinout (wiring) of Siemens C60 cable with GPRS support

Schematic diagram, pinout (wiring) of Siemens C62 cable

Schematic diagram, pinout (wiring) of Siemens M55 cable to KT315

Schematic diagram, pinout (wiring) of Siemens S10, S11, S1018 cable

Schematic diagram, pinout (wiring) of Siemens S25 / C / M / S35 cable

Schematic diagram, pinout (wiring) of Sony CMD C-5 cable

Schematic diagram, pinout (wiring) of the cable Nokia 5110, 61xx, 7110, 6210 (M2BUS)

Schematic diagram, pinout (wiring) of the Nokia 5110 cable, 61xx (max3232) and pinout of the phone

Schematic diagram, pinout (wiring) of the Siemens S25 / C35 / S35 cable (max3232)

Schematic diagram, pinout for cable Ericsson T2688

Schematic diagram, pinout for cable Motorola v3688

Schematic, pinout (wiring) cable for all Siemens models

Schematic, pinout (wiring) cable for Ericsson 8xx, T1x, A1018 phones

Schematic, pinout (wiring) cable for Ericsson phones (max 3232)

Schematic, pinout (wiring) cable for Motorola 6xxx, 8xxx, Flare

Schematic, pinout (wiring) cable for Motorola Asim phones

Schematic, pinout (wiring) cable for Motorola BDM phones

Schematic, pinout (wiring) cable for Motorola d520, m3100 phones

Schematic, pinout (wiring) cable for Motorola T191

Schematic, pinout (wiring) cable Motorola T191

Schematic, pinout (wiring) cable Motorola V3600

Schematic, pinout (wiring) cable Nokia 21xx, 31xx, 51xx, 61xx, 81xx

Schematic, pinout (wiring) cable Nokia 3210 (MBUS)

Schematic, pinout (wiring) cable Nokia 3210, 8210

Schematic, pinout (wiring) cable Nokia 3310

Schematic, pinout (wiring) cable Nokia 51xx / 61xx FM2BUS

Schematic, pinout (wiring) cable Panasonic G450, G500 + pinouts

Schematic, pinout (wiring) cable Panasonic G450, G500, G520, G600

Schematic, pinout (wiring) cable Philips Savvy + pinout

Schematic, pinout (wiring) cable Samsung A800 + pinout

Schematic, pinout (wiring) cable Samsung C100 (2 option) + pinout

Schematic, pinout (wiring) cable Samsung C100 + pinout

Schematic, pinout (wiring) cable Samsung M100

Schematic, pinout (wiring) cable Samsung SGH-600

Schematic, pinout (wiring) cable Samsung SGH-600, 2100db

Schematic, pinout (wiring) cable Samsung SGH-S500, SGH-X100, SGH-X600, SGH-E700, SGH-E100 + pinouts

Schematic, pinout (wiring) of Alcatel 311-315 cable BF3 / 4

Schematic, pinout (wiring) of Alcatel One Touch Easy Dual Band cable

Schematic, pinout (wiring) of cable Ericsson T10s, T18s, T28s, A1018s

Schematic, pinout (wiring) of Ericsson 6xx cable, 7xx

Schematic, pinout (wiring) of Ericsson 8xx, 1018, T18 cable

Schematic, pinout (wiring) of Ericsson cable 218,318,337,388

Schematic, pinout (wiring) of the Alcatel Dual Band cable

Schematic, pinout (wiring) of the Alcatel Easy db / Club db / MAX db cable

Schematic, pinout (wiring) of the Alcatel One Touch cable

Schematic, pinout (wiring) of the Alcatel One Touch DB cable

Schematic, pinout (wiring) of the Alcatel One Touch Easy DB cable

Schematic, pinout (wiring) of the cable Siemens S10, S11, pinout

Scheme for regulating the speed of rotation of the DC motor on the map

Scheme of air ozonator

Scheme of desulphurizing charger

Scheme of electrical fence

Scheme of remote setting of the transceiver frequency

Scheme of the digital indicator

Scheme of the training camp of the GO

Scheme providing sweep on the diagonal axis of any oscilloscope

Scheme simulator for sounding cymbals and cymbals

Scheme, pinout (wiring) cable Ericsson T28s (max3232)

Scheme, pinout (wiring) cable Sony Ericsson T100

Scheme, pinout (wiring) of Siemens ME45 cable to KT315, KT361

Scheme, pinout (wiring) of the Alcatel BE-1/3/4/5 cable

Scheme, pinout (wiring) of the cable Siemens C-25 (max232)

Schmitt Trigger

School combine harvester

Schottky diodes series KDSh2964

Schrodinger Erwin

Scientific editor. Job description

Scintillation detectors for ionizing radiation



Scotch will not curl

Scrambled eggs out of nothing

Scraps from the newspaper sheet

Scrawled pattern

Screen at the radiator

Screening machine crushing and sorting plant. Standard instruction on labor protection

Screw does not unscrew

Screw for screw manufacturing

Screw instead of caterpillars

Screw Juicer

Screw press squeezer


Screwdriver made by own hands

Screwdriver with clip

SE amplifier on 6Zh52P and 6P43P lamps

SE amplifier on a 6P36S lamp

SE amplifier on a G-807 lamp from Manakov AI

SE on 6N30P and 6E5P lamps

Sealed batteries

Sealed lead-acid batteries in amateur radio practice

Sealed nickel-cadmium batteries

Seamstress (seamstress, seamstress, seamstress) when working on machines or manually. Standard instruction on labor protection

Seamstress (tailor). Job description

Seamstress engaged in sewing cover and flooring materials. Standard instruction on labor protection

Seamstress. Standard instruction on labor protection

Search for large items with a metal detector

Searchers for buried wiring on transistors

Seat belt


Sechenov Ivan

Second breath of the refrigerator

Second Life of Fluorescent Lamp

Second Life... fluorescent lights

Second session with maps (several tricks)

Secondary chains

Secondary clock with matrix indicator

Secret (sympathetic ink)

Secret ink

Secret of the Seven

Secretary (dispatcher) of the training unit. Job description

Secretary of the enterprise manager. Job description

Secretary. Job description

Secretary. Standard instruction on labor protection

Secretary-stenographer. Job description

Secrets of repairing phones

Secrets of Sony phones

Secrets of the lamp sound. Do I need to build a tube amplifier?

Secrets of the rubber motor

Secrets of TV Repair

Secrets of welding

Securities market. Crib

Security alarm device

Security alarm for the farmer

Security alarm system

Security alarm transmitter

Security device

Security device based on the simulator

Security device for car

Security device for garden area

Security device Laser stretching

Security device on microcontroller with phone line notification

Security device on the subscriber loudspeaker

Security device with alarm via telephone line

Security device with iBUTTON control with the ability to connect a cellular phone

Security device with iButton keys and shock sensor

Security device with independent power supply

Security device with key management-tablets iBUTTON

Security device with key-resistor

Security guard inside. Standard instruction on labor protection

Security guard. Job description

Security guard. Standard instruction on labor protection

Security measures on river and sea transport

Security measures when using household appliances and tools

Security of telephone lines

Security system based on GSM phone

Security system for home

Security System Lock GSM

Security system MICROALARM

Security system with digital indication

Security systems

See the invisible



Selected cards from a specific place in the deck

Selected documents on emergency situations and disaster medicine in the Russian Federation

Selecting a television surveillance system

Selecting accessories for your camcorder

Selection and replacement of incandescent light bulbs

Selection and verification of the micro-electric motor

Selection of capacitors for pulse voltage converters

Selection of capacitors of the same capacity

Selection of car and home speakers

Selection of conductors for heating, economic current density and corona conditions. Application area

Selection of conductors for heating, economic current density and corona conditions. Checking conductors according to the conditions of the corona and radio interference

Selection of conductors for heating, economic current density and corona conditions. Permissible long-term currents for cables with impregnated paper insulation

Selection of conductors for heating, economic current density and corona conditions. Permissible long-time currents for bare wires and busbars

Selection of conductors for heating, economic current density and corona conditions. Permissible long-time currents for wires, cords and cables with rubber or plastic insulation

Selection of conductors for heating, economic current density and corona conditions. The choice of the cross-section of conductors for the economic density of current

Selection of conductors for heating, economic current density and coronal conditions. Selection of conductor cross-sections by heating

Selection of electrical apparatus and conductors for short circuit conditions. Application area

Selection of electrical apparatus and conductors for short circuit conditions. Determination of short-circuit currents for the selection of apparatus and conductors

Selection of electrical apparatus and conductors for short circuit conditions. General requirements

Selection of electrical apparatus and conductors for short circuit conditions. Selection of conductors and insulators, verification of load-bearing structures according to the conditions of dynamic action of short-circuit currents

Selection of electrical apparatus and conductors for short circuit conditions. Selection of conductors for heating conditions in the event of a short circuit

Selection of electrical apparatus and conductors for short circuit conditions. The choice of apparatus for switching capacity

Selection of MIS transistors for the voltage converter of the automobile ULF

Selection of the ballast capacitor

Selection of the diameter of the wire if you need to replace one wire with two or three

Selection of wiring, methods of laying wires and cables. Electrical components

Selective antenna amplifiers DMV

Self-adhesive scissors

Self-assembly of the speaker system

Self-care on a single chip

Self-cleaning banana

Self-contained box

Self-defense of a woman

Self-disconnecting power supply

Self-healing electronic fuse

Self-healing fuse, 5 amps

Self-inflammable candles

Self-inflating ball

Self-insurance and self-restraint when traveling in mountainous areas

Self-made amplifier on the TDA 7294 chip (part 1)

Self-made amplifier on the TDA 7294 chip (part 2)

Self-made amplifier on the TDA 7294 chip (part 3)

Self-made detectors

Self-made electric torch

Self-made high-resistance voltmeter

Self-made isodynamic radiators based on 10GI-1 heads

Self-made welding machine

Self-made wind power plant. Charging the batteries

Self-made wind power plant. Direct current generator

Self-made wind power plant. General description of the UD-1,6 wind turbine

Self-made wind power plant. Head

Self-made wind power plant. Pantograph

Self-made wind power plant. Pre-assembling the wind turbine

Self-made wind power plant. Springs

Self-organizing deck

Self-oscillating multivibrator

Self-propelled monofilament

Self-propelled plow

Self-propelled potato harvester

Self-recording signs


Self-spitting rod with a foot drive

Self-sticking pen

Self-stirring spoon

Self-tearing handkerchief

Self-tensioning knot

Self-tightening knot with half-bayonet

Self-untether rope

Seller of the gas station. Standard instruction on labor protection

Seller. Job description

Seller-consultant-cashier. Job description

Semenov Nikolay

Semi-automatic antenna tuner

Semi-automatic drilling machine with laser pointer

Semi-automatic for an eternal lamp

Semi-automatic octane-proofreader

Semi-automatic protection against voltage drops

Semi-automatic protection of radio equipment from network voltage drops

Semi-clear soap

Semiconductor AC key on optocoupler TH125-12,5

Semiconductor archeology, or Tribute to an unknown predecessor

Semiconductor materials and products

Semiconductor Peltier refrigerators

Semiconductor voltage limiters

Semi-permeable partition in a plant cell

Semi-tracked snowmobile GMV-2

Sending sound via IR channel

Senior Assistant to the Captain. Job description

Senior bartender. Job description

Senior cameraman of the technical department. Job description

Senior cashier of the ticket office. Job description

Senior client-manager. Job description

Senior creative manager of the radio station. Job description

Senior Economist, Department of Active Passive Operations. Job description

Senior engineer-projectionist. Job description

Senior engineer-technologist. Job description

Senior master of the production site. Job description

Senior operator. Job description

Senior Research Fellow. Job description

Senior turbine equipment operator. Standard instruction on labor protection

Sensitive electromagnetic field indicator

Sensitive metal detector

Sensitive microphone with amplifier on low-noise transistors

Sensor Engine started

Sensor for fan

Sensor generators

Sensor in security alarm

Sensor power controller on the K145AP2 chip

Sensor relay, triggered by a finger touch, 10-12 volts 120 watts

Sensor switch for transistor illumination

Sensor switch off the soldering iron

Sensor time relay for electromechanical toys

Sensor with fixation

Sensors for car alarms

Sensors for car security systems

Sensors for security alarms

Separate lubrication of a two-stroke engine

Separating filter crossover for car subwoofer

Separating filters for integration into a radio tape recorder

Separating knot

Separating LC-filters in multi-band UMZCH

Separator. Job description

Sequential card guessing



Serial and parallel connection of speakers

Serial asynchronous adapter (COM port). Basic concepts and terms

Serial connection of circuit elements

Serial infrared port of the computer, hardware key

Serial interface RS-232

Series of resistance and capacitance values


Service engineer. Job description

Service life of halogen incandescent lamps

Service modes LP of type Z VTR PANASONIC, device and repair

Service of bowling equipment. Standard instruction on labor protection

Service of digesters. Standard instruction on labor protection

Service of fixed equipment of electronic automatic telephone exchanges. Standard instruction on labor protection

Service of shop electrical equipment. Standard instruction on labor protection

Servicing hot water boilers KVGM-20 with gaseous fuels. Standard instruction on labor protection

Servicing of diesel power stations of RRS. Standard instruction on labor protection

Servicing of hot-water boilers ZIO-60, E / 1-0-9g on gaseous fuel. Standard instruction on labor protection

Servicing of the machine of the grain cleaning department. Standard instruction on labor protection

Serving staff of timber vessels. Standard instruction on labor protection

Session with cards (several tricks)

Session with cylinders (several tricks)

Session with liquids (several tricks)

Session with ropes (several tricks)

Set designer of a club institution. Job description

Setting and matching of antenna-feeder devices

Setting of agricultural machinery for storage. Standard instruction on labor protection

Setting the Quad-effect

Setting up a broadband power amplifier

Setting up acoustics in a car with mono recordings

Setting up equipment for wire broadcasting stations and correction of straight wires. Standard instruction on labor protection

Seven and kings change places

Seven-band directional HF antenna BMA-7

Seven-segment and matrix indicators

Several cards appear alternately at the top and bottom of the deck

Several more experiments with inertia

Several rules for home video

Sewing machine

Sewing machine motor control unit

Sewing polyethylene - using a newspaper

Sex education


Shadow of the Flame


Shaking Ink

Shaper of a given number of pulses

Sharpener for mills

Sharpener. Standard instruction on labor protection

Sharpening of the planer blade

Sharpening the LEDs for the RA3AO transceiver

Shawls obey command

Sheet metal bending

Shelf for the roof

Shelf from the old bucket

Shelter of coffins. Standard instruction on labor protection


SHI power controller for electric motors

SHI-current stabilizer


Shimmering flower

Ship on Wheels

Ship repairman-repairman. Standard instruction on labor protection

Ship without sail and propeller

Ship's electrical installer. Standard instruction on labor protection


Shock knot

Shock power sensors for percussion imitators

Shock wave

Shoe Drying Machine

Shoe repair shoemaker. Standard instruction on labor protection

Shoe-maker for individual tailoring of shoes. Standard instruction on labor protection

Shoemaker. Standard instruction on labor protection

Shooting Bottle

Shooting sounds simulator

Shooting: Tips for novice TV-technicians

Short antenna for 160 meters

Short antenna for a range of 160 meters

Short antenna of the range 160 m

Short antenna range 160 meters

Short circuit currents

Short circuit indicator

Short glossary of technical terms

Short pulse generator

Short waves in wires

Short-circuit signal on the chip UTC1240A

Short-circuited turn meter

Shortened half-wave vibrator on CB

Shortened VHF Antenna

Shortened YAGI antenna at 28 MHz

Shortness of breath

Shortwave antenna

Shortwave Observer Receiver

Shortwave transceiver (UW3DI)

Shortwave transceiver Ural D-4

Shortwave transceiver Ural-84

Shortwave transmit antennas

Shortwave whip antenna

Shot bottle

Shot sound simulator

Should ULDI have a small output resistance

Shovel from forks


Shredder of sausage products. Job description

Shredder of sausage products. Standard instruction on labor protection

Shredder Shovel

Siberian Flyover

Side indicator of angle deviation

Side Mount Antennas for trunking systems

Sideboards of the magician

Signal compressor on the operational amplifier

Signal conditioner for subwoofer

Signal device

Signal flashlight on solar cells

Signal generator

Signal generator DMV

Signal Generators on CMOS ICs

Signal of a night attack

Signal strength indicator

Signal strength indicator - stereo balance indicator

Signal strength indicators

Signaling device on the chip K157XA2

Signal-sensing indicators and digital indication blocks

Signs of a change in inclement weather for a clear

Signs of change of clear weather to inclement weather

Signs of changing weather conditions

Signs of fire safety

Signs of narcotic intoxication

Signs on the weather change


Silent tuning of the antenna

Silicon photodiodes

Silver mirror made of silver nitrate and glucose

Silver polished ivory

Silver the mirror

Silver water - own hands

Silvering of conductors and details

Silvering of metals

Sim Card Reader SOLO GWR

SIM card readers (3 options)

SIM Reader

Simple 144 MHz transmitter

Simple 15 Watt switching power supply

Simple 50 MHz transverter

Simple 80-meter transmitter

Simple adjustable converter on discrete elements, 12-36 volts

Simple adjustable power supply on the L4960 chip, 5.1-40 volts 2.5 amps

Simple amateur radio instruments for measuring inductance

Simple amplifier

Simple amplifier on the chip K174XA10

Simple analog-to-digital converter

Simple and compact vertical antenna for C-band

Simple and inexpensive paint for fences

Simple and reliable GSM security

Simple antenna and DMV converter

Simple antenna current indicator

Simple anti-theft device

Simple anti-theft devices

Simple arithmetic

Simple autocomplete

Simple automatic charger

Simple automatic charger for Ni-Cd batteries

Simple automatic machine for domestic deep water pump

Simple battery charger

Simple battery discharge device

Simple bayonet

Simple bayonet with slag

Simple bayonet with two shlagami

Simple beeper scheme

Simple bipolar power supply, 220 / ± 0.7-5.5 volts 2.5 amperes

Simple block of Anti-advertising

Simple booster devices

Simple broadband antenna

Simple broadband antennas

Simple broadband RF signal generator

Simple C-antenna

Simple capacitance and leakage current meter for electrolytic capacitors

Simple capacitance meter

Simple car caretaker

Simple car security devices

Simple charger

Simple charger for car batteries

Simple charger for four batteries

Simple charger for Li-Ion batteries

Simple charger for Ni-Cd and Ni-MH batteries

Simple charger on the TC-200

Simple clock-alarm clock on PIC16F84

Simple color music console

Simple color music console on thyristors

Simple combination lock

Simple compressor (for radio transmitter)

Simple converter for receiving MMDS TV 2.5-2.7 GHz

Simple converter, 12/220 volts

Simple crawler searcher

Simple current controller

Simple designs on the KU112A trinistor

Simple device for testing phones

Simple devices for video equipment

Simple DFT

Simple digital capacitance meter MASTER C

Simple digital megohmmeter

Simple direct conversion receiver for 7 MHz band

Simple economical metal detector

Simple effective antennas for long-distance connections

Simple electronic ballast on the IR2153 chip

Simple electronic button volume control

Simple electronic fishing rod

Simple electronic fuse

Simple electronic music call

Simple electronic switch

Simple electronic trap for insects

Simple electropuncture stimulant

Simple emergency power source

Simple experiments

Simple extension for remote control

Simple field indicator

Simple five-element

Simple flashing light device

Simple FM detector

Simple FM receiver

Simple FM transceiver

Simple FM transmitter on the C-band range

Simple frequency meter

Simple frequency synthesizer

Simple frost sensor

Simple half-bayonet

Simple HF antenna

Simple HF converter for car receiver

Simple HF minitransiver

Simple HF regenerator

Simple HF self-oscillator

Simple hidden cable finder without power supply

Simple high quality ULCD

Simple house thermometer with two DS18B20 sensors

Simple HR generator

Simple ignition switch

Simple indicator of alternating electric field

Simple infrared generator

Simple intercom

Simple KB receiver

Simple KB signal generator

Simple key voltage regulator

Simple key voltage regulator, 15-25 / 5 volts 4 amps

Simple keyboard

Simple lab power supply, 220 / ± 15 volts 1 amp

Simple laboratory power source

Simple laboratory power source, 220 / 16.32 volts 0.5 amperes

Simple laser alarm system

Simple Lathe

Simple LC-generator

Simple LED lamp for the staircase

Simple light switch for bathroom

Simple Lighting Controls

Simple load power controller based on the electric drill controller

Simple logic probe

Simple low-frequency amplifier on lamps

Simple megaphone with siren mode

Simple metal detector

Simple metal detector on chip K155LA3

Simple metal detector on the beats

Simple metal detector on the chip K176LE5

Simple metal detector on the chip UCY7400

Simple metal detector on the K561LE5 chip

Simple metal detector with circuit at 4.6 kHz

Simple metal detector with germanium transistors

Simple metal detector with high sensitivity

Simple metal detector with indicator on VHF (FM) receiver (64-108 MHz)

Simple metal detector with piezo filter

Simple metal detector with transistors

Simple metal detector with two transistors

Simple metal detector, working on the principle of Transmission-Reception

Simple method of tinning

Simple microphone mixer

Simple MIDI keyboard for PC

Simple mid-wave frequency synthesizer

Simple mini-car

Simple modem for HF and VHF communication package

Simple multiplier

Simple multipoint thermometer

Simple Neon Lamp Geiger Counter

Simple ohmmeter

Simple overvoltage alarm

Simple panoramic indicator

Simple phase indicator

Simple photo relay

Simple power amplifier on KT805 transistors (20 watts)

Simple power controller

Simple power controller for trinistors

Simple power regulator for electric heaters

Simple power supply

Simple power supply for BP2857D for LED lighting fixtures

Simple power supply, 1.5-30 volts 5 amps

Simple power supply, 220 / 11-20 volts 22 amps

Simple power supply, 220/5 volt 0.5 amperes

Simple power supply, 5 volts 0.5 amp

Simple powerful parallel transistor stabilizer, 12 volts 0.6 amp

Simple powerful switching power supply for powering radio electrical equipment, 220 volts 300 watts

Simple powerful voltage regulator with short-circuit protection, 42 / 15-38 volts 3 amps

Simple powerful voltage regulators

Simple primary clock

Simple probes, consoles, meters

Simple programmer for AT89C2051

Simple pulse metal detector on microcircuits

Simple pulse regulator

Simple pulse regulator on the chip KREN142EN1, 8-10 / 5 volts 5 amperes

Simple pulse stabilizer, 5 volts 400 milliamperes

Simple pulse voltage converter for TV power supply

Simple pulse voltage regulator

Simple pulse voltage regulator, 9-25 / 5 volts 0.7 amperes

Simple push-pull amplifier

Simple PWM generator

Simple PWM modulator

Simple Q-METP

Simple quartz filter

Simple radio alarm system

Simple radio alarm system for car or room security

Simple radio station

Simple radio station of the range 144-146 MHz

Simple radio transmission of the transceiver

Simple radio wave detector

Simple receiver for the range 225-400 MHz for radio communication of aircraft

Simple remote microphone

Simple rhombic antenna for receiving MMDS TV

Simple security alarm for the village

Simple security devices for apartments and cottages

Simple self-care

Simple self-generating power generator with a power of 1.5 kW for UMZCH

Simple semi-automatic welding machine

Simple shelving

Simple shortwave radio

Simple signal generator

Simple signal level indicator

Simple signal level indicator for IN13

Simple site

Simple small electronic rod

Simple small-sized drilling machine

Simple small-sized radio detector with indication on two LEDs

Simple SMART on the TDA7294 chip

Simple smoke detector

Simple soldering iron temperature regulator

Simple solid and liquid soap

Simple speech limiter

Simple SSB-minitransiver for 160 meters

Simple stabilizer

Simple stabilizer with double voltage conversion, 9-12 volts 300 milliamperes

Simple start-up device

Simple stereo mixer

Simple stroboscope with two emitters

Simple subwoofer in car speakers

Simple switching power supply on the chip UC3842

Simple switching power supply, 220/15 volts 1 amp

Simple switching power supply, 220/5 volts 4 amps

Simple synchronous frequency multiplier

Simple tachometer

Simple Telegraph Key

Simple telephone dialer

Simple telephone set

Simple temperature controller on the microcontroller

Simple temperature-voltage converter

Simple test receiver

Simple thermal stabilizer for vegetable storage

Simple thermal stabilizer, 10-50 degrees

Simple thermal stabilizer, 1-80 degrees

Simple thermocompensated voltage regulator for car

Simple thermoregulator

Simple thermostats

Simple three-channel color music console

Simple thyristor battery charger

Simple time switch

Simple transformerless power supply, 220/5 volts

Simple transistor metal detector on beats

Simple transistor test

Simple transmitter for the 144 MHz band

Simple tri-band antenna

Simple tuning system for VHF FM receiver

Simple TV antenna

Simple UBB FM receiver

Simple ultra-wideband TV antenna

Simple UML

Simple universal probe

Simple UPS based on an electronic transformer

Simple variety power amplifier

Simple VHF FM radio station

Simple VHF FM receiver

Simple VHF receiver

Simple vibrator HF antennas and the possibilities of their modernization

Simple voltage converter

Simple voltage indicator

Simple voltage regulator for 45 volts

Simple voltage regulator for car

Simple voltage regulator on the chip 142EN1G, 9/5 volts 0.5 amperes

Simple voltage regulator with a high stabilization factor, 7-30 / 5 volts 0.5 amperes

Simple voltage regulator with high stabilization factor, 0.5 ampere

Simple voltage regulator with short-circuit protection, 15-38 volts 3 amperes

Simple voltage-frequency converter

Simple watchdog bell

Simple way to check thyristors

Simple welding current transformer controller

Simple welding machine

Simple wireless microphone

Simple wireless microphone on one transistor

Simple wobble generator

Simple-edged lamb

Simplified calculation of the current-voltage characteristic of the equivalent of a lambda diode

Simplified calculation of the P-circuit

Simplified design of a multichannel television antenna

Simplified Segner wheel

Simplified ultrasonic gasoline octane meter

Simplified version of a Class B power amplifier

Simplified version of the power amplifier circuit on complementary transistors

Simplify the voltage indicator

Sim-Reader v.1

Sim-Reader v.2

Sim-Reader v.3

Simulate the skin of the model

Simulating propellers

Simulation of radio reception under noise and interference conditions

Simulation of TV antennas

Simulator - flight simulator of the glider

Simulator Cuckoo

Simulator of bird voices

Simulator of birds singing

Simulator of electronic interrupter

Simulator of rain noise

Simulator of sounds meow

Simulator of sounds of a drop

Simulator of the sound of the springs of the working drum plus a working drum of variable volume

Simulator of traffic light operation on microcontroller PIC16F84A

Simulator of train sounds

Simulator of unusual sounds

Simulator sounds for the shooting gallery

Simultaneous production of drilling operations. Standard instruction on labor protection

Since when are handkerchiefs used?

Since when are the Tour de France cycling races?

Since when did men start cutting hair?

Since when did Sunday become an official weekend?

Since when did the New Year begin to count from January 1?

Since when did they pierce their ears?

Since when did we get caffeine into our food?

Since when do women participate in the Olympic Games?

Since when do you play tennis?

Since when does our solar system exist?

Sine wave generator on a digital microcircuit

Singing glass

Singing stream

SINGLE END amplifier on 6E5P-6P45S lamps

Single pulse indicator

Single-band fast deployment antenna

Single-capped halogen lamps with threaded bases

Single-chip AC / DC converter with PIX

Single-circuit geothermal thermal power plants

Single-coil metal detector of induction type, theory

Single-cycle converters for electronic ballasts

Single-cycle driver for Transformerless Amplifier (Circlotron)

Single-ended converters with high efficiency, 12/220 volts

Single-ended high-quality tube power amplifier

Single-line switchboard scheme for a two-room apartment

Single-phase asynchronous motor control

Single-phase electronic electricity meter Mercury-200

Single-phase signaling unit circuit

Single-phase to three-phase converter

Single-row mechanical seeder

Single-stage amplifier 3h

Single-tube tube amplifier 15 watts

Single-tube tube amplifier on triodes

Single-tube tube power amplifier on 6Zh1P, 6P1P

Sinka for linen

Sinusoidal generator on the LM386 chip


Siren for the model

Siren from Aurora sound sounder

Siren sound simulator

Sister-hostess. Job description

Site controller. Job description

Site master. Job description

Site mechanic. Job description

Six boxes

Six chips

Six dollars in hand

Six receivers on one transistor

Six squares

Six suitable numbers

Six-band graphic equalizer

Six-band whip antenna

Six-channel stereo mixer for active loudspeakers

Six-element loop antenna

Sixteen words

Skater Simulator

Skeletal-slot antenna: myths and reality

Skeleton Coast

Skeleton for a spiral resonator

Skiers are not afraid of climbing

Skin Care

Skin effect

Skin holder

Skin protection

Slate board - Counting machine

Sledges from skis

Sleep in the air

Sleeping bag for fishing rods

Sleeping bags

Sleight of Hand

Sliding bayonet

Sliding blind loop

Sliding window

Sling operator. Job description

Sling operator. Standard instruction on labor protection

Slit scarf

Slot machine on RS flip-flops

Slot Machine Reaction

Sly King

Sly trick

Slyudinite electrical insulating materials

Small Aeroionizer

Small agricultural aircraft

Small antennas of portable communication stations (part 1)

Small antennas: physical limitations

Small dynamic installation Omega

Small electrospark installation

Small heart with LEDs

Small household lamps with fluorescent lamps. Features of operation and repair

Small hydropower

Small power supply, 9 volts 0.6 ampere

Small radio station

Small rectifier, 220/9 volts 70 milliampere

Small secrets of the rechargeable flashlight

Small signal path of the transceiver Amator EMF-M

Small size power controller

Small speaker

Small square antenna

Small Sunda Islands

Small talk phone

Small tweaks of large editing

Small welding machine

Small wind generators for home

Small-size 27 MHz transceiver antenna

Small-size antennas of portable communication stations (part 2)

Small-size antennas of portable communication stations. Part 1

Small-size antennas of portable communication stations. Part 2

Small-size C-band antenna

Small-size frequency meter

Small-size frequency meter-digital scale up to 200 MHz with LCD display

Small-size frequency-digital scale on a microcontroller up to 200 MHz with LCD display

Small-size high-frequency installation for melting metals

Small-size loop antenna

Small-size relays with sealed contacts

Small-sized double-beam oscilloscope-multimeter

Small-sized metal detector

Small-sized oscilloscope-probe

Small-sized radio station at 1215-1300 MHz

Small-sized switching power supply, 12 volts 2 amperes

Small-sized two-element Sigma-Yagi

Small-sized voltmeter

Smart box

Smart home

Smart magnetic goose

SMD components. Component housings for surface mounting

SMD components. Electrolytic capacitors for surface mounting. Code marking

SMD components. End-to-end numbering of the most popular cases

SMD components. Surface Mount Enclosures

SMD transistors

S-meter and output power level indicator for the radio station Viola

S-meter calibrator

S-meter in the radio station ALAN-100 +

S-meter switch for CB radio station

S-metr for HF radio station

Smile Ladies

Smith Adam

SML converter with SAW filter for narrowband AM / FM

Smoke Detector

Smoke detector for fire alarms

Smoke detector on phototransistor

Smoke from fingers

Smoke in a glass

Smoke without fire

Smoker of sausage cheese. Job description

Smoking a cigar from a burning light bulb

Smoking and its effect on human health

Smoking candles

Smoking substances


Smolyanomalyashnye drying oils

Smolyano-manganese salt (manganese resinate)

Smooth brightness switch

Smooth compensation bridge attenuator for shortwave transceiver

Smooth frequency tuning generator for p134

Smooth ignition of the incandescent lamp

Smooth inclusion of the kinescope filament

Smooth light off in the car

Smooth light suppression in the car interior

Smooth lighting control from the IR remote control on the microcontroller

Smooth lighting lighting

Snake bites

Snake in the basket

Snake knot

Snake node based snoop


Sniper simulator based on laser pointer

Snow flowers

Snow map for sports and rest

Snow Scooter


Snowplow operator. Standard instruction on labor protection

So are mosquitoes of ultrasound afraid?

So that the bubble does not fall down

So that the driver does not sleep while driving

Soap boat

Soap bubble flies

Soap bubbles in the frost

Soap bubbles on the stand

Soap flowers

Soap for stain removal

Soap from stearin candle

Soap from vegetable oil and soda

Soap in soft and hard water

Soap powders made without special mills

Soap powders with different content of fatty acids

Soap powders, pastes and compositions for washing hands after work

Soap powders, the manufacture of which requires special devices

Soap solution - alkalinity test

Soaps for removing stains

Soaps from fatty and naphthenic acids

Soaps from fatty waste

Soaps from solid fats (hydrogenated) liquid fats and oils

Social characteristics of the personality of a safe type of behavior

Social control of occupational safety and health

Social hazard and severe health consequences of drug and substance abuse

Social partnership

Social pedagogy. Crib

Social pedagogy. Lecture notes

Social psychology. Crib

Social psychology. Lecture notes

Social statistics. Lecture notes

Social studies. Crib

Sociologist. Job description

Sociology. Crib

Sociology. Lecture notes

Socket with indicator

Sofit in the interior

Soft and hand bicycle

Soft bucket from the car camera

Soft calico

Soft grinder

Soft inclusion of powerful loads

Soft lamp indicator

Soft light

Soft load in the mains

Soft load switching of the integrated voltage regulator

Soft potassium soaps

Soft start and stop of the motor

Soft start of load of integral stabilizer

Soft start of pulse and transformer power supplies

Soft starter for induction motor

Soft welder

Softening of old glass putty

Soft-switching device for incandescent lamps

Soft-switching device UMZCH

Soft-switching power amplifier

Software Engineer. Job description

Soil, its pollution and consequences

Soil. Consequence of soil contamination

Solar activity and ultra-long television reception

Solar brazier

Solar cell designs

Solar cells

Solar cells and modules

Solar charger

Solar collector. Solar Water Heater

Solar collectors and their use

Solar collectors. Accumulation tank

Solar collectors. Air collectors

Solar collectors. Concentrators

Solar collectors. Determination of the size of the solar hot water supply system

Solar collectors. Drying

Solar collectors. Efficiency of use

Solar collectors. Heating of premises

Solar collectors. Heating pools

Solar collectors. How much energy can I get?

Solar collectors. Integrated Reservoir

Solar collectors. Liquid collectors

Solar collectors. Orientation

Solar collectors. Solar cooling

Solar collectors. Solar hot water systems

Solar collectors. Solar ovens and concentrators

Solar collectors. Solar storage systems

Solar collectors. The scheme of the solar collector

Solar collectors. Thermosyphons

Solar collectors. Tubular vacuum collectors

Solar distiller

Solar distillers

Solar Emergency Light

Solar energy

Solar energy by own hands

Solar energy in combination with other renewable sources

Solar energy installations

Solar Energy Registrar

Solar energy. Influence on economy, ecology and employment of the population

Solar energy. Potential, resource assessment, barriers

Solar engine

Solar engines for models

Solar fan

Solar fan for a solar cell

Solar fruit dryer

Solar furnaces

Solar heat supply

Solar heating system

Solar hubs

Solar light indicator

Solar modules

Solar panel for charging portable devices PowerFilm WeatherPro Solar panel from Sundance Solar

Solar panels in multimeters and radios

Solar ponds

Solar power generator

Solar power plant

Solar power plants

Solar Power Stabilizer

Solar Power Supply

Solar radiation

Solar radiation dosimeter

Solar thermal power plants

Solar water heater

Solar water pump

Solder without overheating

Solder... cooker

Soldering aluminum at home

Soldering and tinning products. Standard instruction on labor protection

Soldering for beginners

Soldering in the matrix

Soldering iron automatic power controller

Soldering iron does not overheat

Soldering iron for micro soldering

Soldering iron for PCBs

Soldering iron gun

Soldering iron improvement Moment

Soldering iron made of resistor

Soldering iron made of syringe

Soldering iron power regulator

Soldering iron power switch

Soldering Iron Temperature Regulator

Soldering Iron Tip Temperature Stabilizer

Soldering Iron Tip Thermostabilizer

Soldering iron with solder extraction

Soldering iron-econom

Soldering irons

Soldering of aluminum

Soldering of aluminum and its alloys

Soldering of cast iron gratings

Soldering of nichrome and aluminum

Soldering products containing lead. Standard instruction on labor protection

Soldering station control unit on PIC16F887 microcontroller

Soldering the interface cable for Siemens phones

Soldering torch with solder

Soldering with lead-free solder. Standard instruction on labor protection

Soldering with propane

Soldering without soldering iron

Solders and fluxes

Solders and fluxes. Properties

Solders and fluxes. Purpose and definitions

Solenoid valve control

Solid State AC Relay 400 Volts 10 Ohms

Solid state optoelectronic relays

Solid state relay 400 V / 100 mA 5P50F

Solid state relays 1 A / 400 V AC

Solid state relays of AC 230 V / 5 Ohm

Solid state relays of general purpose 230 V / 10 Ohm

Solid state relays of the KR293 series

Solid-state solar panels

Some applications of the operational amplifier type 741 (140UD7)

Some features of one of the industrial designs of the LDS

Some improvements to the RA3AO transceiver

Some schemes on tunnel diodes

Something about antennas

Something about smuggling

SONY PLAYSTATION - repair of the adaptation unit

SONY PLAYSTATION, or Circuitry 32-bit video set-top boxes. Module for viewing video CDs

SONY PLAYSTATION, or Features of circuitry 32-bit video set-top boxes

SONY PLAYSTATION. Color without problems

Sorel cement

Sorter. Job description

Sorting of round timber with the use of an automated forest transporter. Standard instruction on labor protection

SOS - network disconnect switch

SOS device

Sound amplifier for music lovers and audiophiles from Ulyanov

Sound amplifier for subwoofer to computer

Sound and light probe

Sound controls the model

Sound effect generator

Sound engineer. Job description

Sound generator as a siren

Sound Guard - tone generator

Sound in a vacuum. Lamp sound engineering

Sound in the car

Sound in the car: schemes and the correctness of their choice

Sound in the car: theory and practice

Sound in the car-2

Sound in TV

Sound indicator

Sound indicator antson

Sound indicator of ultrasound

Sound indicator-sharpener in the receiver for hunting foxes

Sound keychain

Sound keychain on one chip

Sound memo on chip ISD1416 (ISD1420)

Sound module on one chip

Sound probe-ohmmeter

Sound quartz resonator tester

Sound relay with time relay, 4 minutes

Sound RF probe

Sound self-test of the computer at power up

Sound soaps

Sound switch

Soundtrack - wirelessly

Sour cream

Sour dyeing of fabric and yarn

Source of UV radiation

Sources of air pollution

Sources of bipolar reference voltage

Sources of current from improvised means

Sources of low-potential heat

Sources of pollution of the hydrosphere

Southern Cross

Sowing and planting the forest. Standard instruction on labor protection

Space Emergencies

Space Laboratory Mars Pathfinder

Space Shuttle Shuttle and Buran



Spark Flaw Detector

Spark indicators

Spark without whims

Sparrow on a branch

Spatial selection of signals

Spatula of potatoes

Speaker characteristics on the oscilloscope screen

Speaker design and specifications

Speaker repair - a benefit in pictures

Speaker system VERNA 100A-10

Speaker system Verna 150-03

Speaker system VERNA 50-01

Speaker system VERNA 50A


Special clothes and personal protective equipment

Special enamels

Special psychologists. Crib

Special purpose electrical installations. Electrical installations in hazardous areas

Special purpose electrical installations. Electrothermal installations. Arc furnaces

Special purpose electrical installations. Electrothermal installations. Electrode boilers

Special purpose electrical installations. Electrothermal installations. General Provisions

Special purpose electrical installations. Electrothermal installations. High frequency settings

Special purpose electrical installations. Electrothermal installations. Induction melting and heating devices

Special purpose electrical installations. Methodical instructions for testing electrical equipment and devices for electrical installations of consumers

Special purpose electrical installations. Portable and mobile receivers

Special purpose electrical installations. Technological power stations of consumers

Special star

Special theory of relativity

Specialist (expert, consultant) on personnel and personnel work. Job description

Specialist in depositary activities. Job description

Specialist in foreign economic activity. Job description

Specialist in franchising. Job description

Specialist in laser therapy. Standard instruction on labor protection

Specialist in marketing. Job description

Specialist in methods of expanding the sales market. Job description

Specialist in recruiting. Job description

Specialist in registration of legal entities. Job description

Specialist in Social Affairs. Job description

Specialist in the act-claim work. Job description

Specialist in the organization of property and personal safety. Job description

Specialist in transportation. Job description

Specialist of conference service. Job description

Specialist of the department of the insurance department. Job description

Specialist of the IT service and material support department of information technology management. Job description

Specialist of the legal department. Job description

Specialist of the personnel development department. Job description

Specialist of the plant management. Standard instruction on labor protection

Specialist, technical engineer, administrative and management personnel. Standard instruction on labor protection

Specialist. Job description

Specialist-analyst. Job description

Specialist-organizer of trading on the securities market. Job description

Specialized power supply

Specific electrical resistance of various materials

Spectators do not guess in which hand the coin

Spectra of harmonic distortion in electron tubes

Spectral analysis

Spectrum of a musical signal. Part 1

Spectrum of a musical signal. Part 2

Spectrum of a musical signal. Part 3

Spectrum of a musical signal. Part 4

Spectrum of a musical signal. Part 5

Spectrum of a musical signal. Part 6

Spectrum of a musical signal. Part 7

Spectrum of a musical signal. Part 8

Spectrum of light

Speech coding in digital cellular communication systems

Speech informer Dwarf

Speech programs

Speech synthesizer

Speed control for a powerful engine

Speed controller for electric drills

Speed controller for the micro motor

Speed controller for three-phase asynchronous motors

Speed cords model 1,5 cube

Speed cords model of A-1 class

Speed cords racing model

Spicy curry powder

Spicy Sauce Kabul

Spindler antenna for receiving MMDS TV

Spinning for the model

Spinning machine

Spinning Top in Technology

Spinning wheel and loom

Spiral antenna for portable radio stations

Spiral DMV antenna

Spiral GP for low bands

Spiral heats up in hands

Spiral straightening machine

Spiral-helical antenna


Spiritual Session

SPL for a receiver with low-voltage power

Splice cable for Samsung A100, A110, A200, A288, SGH600, A300, M100, R210, T100 mobile phones

Split the light


Splitters of satellite TV signal

Spoon in a paper tube

Spoon on the nose


Sports instructor. Job description

Spot lights for extraterrestrials

Spot ringing

Spot welding machine with own hands

Spot welding on throttles

Spotlight Automotive Voltmeter with Stretched Scale 10-15 Volts

Sprains and tears


Spring for the cord model

Spring-operated spring-guiding machines FS-2, FS-4, FS-5. Standard instruction on labor protection

SPST chips: analog keys Maxim MAX4706 and MAX4707

Spy things

Square on the calendar

Square wave generator

Squares of four parts

Squares of three parts

Squeeze Press

Sri Lanka

SRT device

SSB detector in the broadcasting receiver

SSB transceiver for 80 m

SSB transmitter for 2 m

SSTV signal generator

Stabbed coin

Stability of functioning of economic objects and technical systems in emergency situations

Stabilization of high voltages with low-voltage silicon zener diodes

Stabilization of the mode of amplifiers of class AB

Stabilization of the U capacitor rectifier

Stabilized adapter from unstabilized

Stabilized adapter from unstabilized, 220 / 5.6 volts 0.2 amp

Stabilized converter for remote control

Stabilized converter, 12/220 volts

Stabilized DC speed controller

Stabilized electronic ignition unit for the car

Stabilized network voltage converter, 220/20 volts

Stabilized power regulator

Stabilized power sources for the player

Stabilized power supply

Stabilized power supply 5/9 volts 0.5 amps with relay protection

Stabilized power supply for six values of output voltage, 220 / 3,4,5,6,7.5,9,12 volts 0,25 amperes

Stabilized power supply for soldering irons

Stabilized power supply unit UMZCH

Stabilized power supply with output voltage 5 volts

Stabilized power supply, 0-30 volts

Stabilized power supply, 220 / 0-27 volts 0.5 amperes

Stabilized power supply, 220 / 1-29 volts 2 amps

Stabilized power supply, 220 / 1-40 volts

Stabilized power supply, 40 volts 1.2 amperes

Stabilized power supply, 40 volts 1.2 amps

Stabilized power supply, 60 volts 0.1 amp

Stabilized regulated power supply with overload protection, 220 / 0-30 volts 7.5 amperes

Stabilized single-ended voltage converter

Stabilized speed controller for power tools

Stabilized VIPER-switched SMPS - from the charger

Stabilized voltage converter

Stabilized voltage converter on the YX8018 chip

Stabilizer and guard for the vibrating pump

Stabilizer for four voltages

Stabilizer for heavy motorcycles

Stabilizer for motorcycle YAMAHA XV 400

Stabilizer for table lamp

Stabilizer from the motor, 5,5-14 / 5 volts 150 milliamperes

Stabilizer of rotation speed of electric motors of types DPR, DPM and other

Stabilizer of the onboard voltage on the chip KR1171SP47

Stabilizer overload indicator

Stabilizer overload warning light

Stabilizer with a low minimum drop in voltage, 5-10 / 5 volts

Stabilizer-charger with voltage and current adjustment

Stabilizers of rotation of LPM engines

Stabilizers of voltage regulators

Stabilizers on KREEN

Stabilizers on microcircuits AMS1117xx

Stable arc

Stable auto-generator

Stable current charging

Stable current generator

Stable current generator for charging batteries and its application for repair and construction of radio electronic equipment

Stable generator for VHF transmitter

Stable generator with FM

Stable GPA

Stable HF generator

Stable high frequency amplifier

Stable low-noise quartz oscillator for microwave and transverters

Stable pencil

Stable power supply for tuning small power modules

Stable power supply laptop

Stable quartz oscillator

Stable quartz oscillator, operating in a wide range of supply voltages

Stable regulated power supply with overload protection

Stable smooth-wave generator (up to 30 MHz)

Stable temperature controller

Stable timer on KR1006VI1

Stable transistor generator

Stable VHF local oscillator

Stacker-filler of canning products. Job description

Stacker-packer. Standard instruction on labor protection

Staff of departments, physiotherapy rooms. Standard instruction on labor protection

Staff of gynecological offices. Standard instruction on labor protection

Staff of pathoanatomical departments and morgues. Standard instruction on labor protection

Staff of X-ray offices. Standard instruction on labor protection

Staining of billiard balls

Staining of metals

Staircase with a string


Stamp paint

Stamping brass

Stamping machine when working on presses. Standard instruction on labor protection

Stamping of iron and steel

Stamping of labels. Standard instruction on labor protection

Stamping thin-walled casings of bodies

Stand with timer for soldering iron

Standalone 32-channel programmable light-dynamic device with a serial interface

Stand-alone bioenergetic module BIOEN-1

Standalone charging for mobile phone on batteries or batteries

Standalone power failure indicator

Stand-alone security device

Standard domestic fluorescent lamps

Standard fluorescent lamps of foreign manufacture

Standard fluorescent lamps. Color Codes

Standard fluorescent lamps. Features to consider

Standard fluorescent lamps. Marking

Standards for testing electrical equipment and consumer electrical appliances. Conditions and number of operations for testing air circuit breakers

Standards for testing electrical equipment and consumer electrical appliances. Disconnectors, short-circuiting switches and separators

Standards for testing electrical equipment and consumer electrical appliances. Test voltage of the industrial frequency of capacitors

Standards for testing electrical equipment and consumer electrical appliances. The smallest permissible insulation resistance of moving and guiding parts of switches made of organic material

Standards for testing electrical equipment and consumer electrical appliances. The smallest permissible insulation resistance R60 winding transformers

Standards for testing electrical equipment and consumer electrical appliances. Tubular arresters

Standards of cellular communication

Stand-by converter

Standby mode in the CB radio station

Stand-by switch from normal

Stand-regulator for a soldering iron

Staples connecting in an envelope

Star connection

Starch adhesive

Starch is split by acid

Starch is split by saliva

Starch loses its color when exposed to sodium sulfite and soda

Starch paste

Starch stained with iodine

Star-delta start of three-phase electric motor


Start of switching power supplies

Start of timer 555 with positive pulse

Starter for micromotor

Starter locking device

Starter protection device for halogen lamps on a microcontroller Z8


Starting a fluorescent lamp without a starter

Starting a three-phase motor

Starting radiomechanics

Starting relay for an asynchronous motor

Starting the car engine from the socket

Starting the computer from the remote control

Starting the MAX756 voltage converter with a lower input voltage

Starting towing device

Start-up delay unit for sparking

Start-up device with synchronous rectifier

State Administration of Occupational Safety and Health

State and municipal administration. Crib

State and municipal administration. Lecture notes

State and municipal finance. Crib

State and municipal finance. Lecture notes

State examination of working conditions

State policy in the field of prevention and elimination of emergencies, protection of the population and territories

State policy of environmental protection

State provision for labor protection and financing of labor protection measures

Static Charge Bracelet

Station Wagon

Stationary worker. Standard instruction on labor protection

Stationery ink

Statistics. Job description

Stator speed controller for the collector motor

Stay with the nose

Steam Boat

Steam engine

Steam engine on the ship

Steam engine with steam engine

Steam engine without lubrication and cooling

Steam hammer

Steam locomotive

Steam turbine

Steamer with a candle


Steam-turbine solar power plants

Steel conductors in antennas

Steering machine in loop antenna

Steering wheel and pedals to the computer

Steering wheels

Step charge-discharge device

Step node


Stepper motor control

Stepper motor control device

Stepper motor control scheme

Stepper motor controller

Stepper motor driver with microstepping mode

Stepper motors

Stepwise switching on of a powerful load

Stereo Depth Control

Stethoscope microphone

Sticking cubes

Sticky coin

Sticky note paper

Sticky stick

Stills and panoramas

Stirling engine model

STM32 microcontrollers and debugging boards for them

Stock exchange broker. Job description

Stock from starch

Stoletov Alexander


Stone processing

Stone-cutting circular saw


Stop bleeding

Stop signal under reliable control

Stop the pulse!

Stopping the electric counter

Storage and installation of CMOS chips

Storage and operation of gas cylinders. Standard instruction on labor protection

Storage devices

Storage, operation and transportation of cylinders with liquefied, dissolved gases. Standard instruction on labor protection

Storekeeper of a scrap and metal warehouse. Standard instruction on labor protection

Storekeeper of the fuel depot. Standard instruction on labor protection

storekeeper of the store. Standard instruction on labor protection

Stork instead of Crocodile

Stove for summer residence

Stove in your pocket

Straight match

Stranded homemade microcable

Strange cigarette

Strange Cube

Strange funnel

Strange glasses

Strange jug

Strange lemonade

Strange screen

Strapping of goods. Standard instruction on labor protection

Strategic management. Crib

Strategic management. Lecture notes

Strategic missile R-5M

Strategic Planning Manager. Job description

Strategy and tactics of attack behavior



Stream production

Stream-light guide

Street light machine

Street traumatism. Warning rules

Strength depending on the shape

Strength test

Stretched knot

Stretching the rope

Strikethrough number

Striking wheel

Striped resistors

Stripping tool from the mounting wire

Stroboscope for disco

Stroboscopic light-dynamic installation

Stroboscopic SDE

Stroboscopic STB-1 and Auto-spark devices

Strong drawings on wooden plywood

Strong matchbox

Study in the office Technology. Standard instruction on labor protection

Study the Telegraph Alphabet

Stump, pruning of branches. Standard instruction on labor protection

Stylus indicator for logical signals

Stylus-voltage divider for digital multimeter

Sub-75GDN1-4, calculated in JBL SpeakerShop


Submarine from an egg

Submarine of grapes

Submersible electric pump control unit

Subsonic filter on field and bipolar transistor

Subwoofer - low-pass loudspeaker

Subwoofer 52wSUB2L-2

Subwoofer for car. Part 4

Subwoofer for home, for family. Assembly

Subwoofer for home, for family. General information

Subwoofer for home, for family. Some tricks

Subwoofer for the car. Part 1

Subwoofer for the car. Part 2

Subwoofer for the car. Part 3

Subwoofer made from improvised materials

Subwoofer on Magnat

Subwoofer on the MTX head

Subwoofer on two 35GDN-1

Subwoofer Thunder V-150

Subwoofer! Now everything will be more serious!

Subwoofer. Theory and practice

Sudden appearance of a bouquet of flowers

Sugar (sucrose) glows in the dark under the influence of friction

Sugar (sucrose) turns into glucose and fructose

Sugar floats in coffee

Sugar from sawdust

Sulfur in egg white

Sum of odd

Summary table of wires, current, power and load characteristics

Summer experiments

Summer shower with solar collector

Summer wonders





Super economical receiver

Super light

Super miniature winch

Super wheeled propulsor





Superheterodyne without coils

Superlinear UMLC with deep OOS


Super-miniature running light on five LEDs

Super-regenerative FET receiver

Super-regenerative receiver at 144 MHz

Super-regenerative receiver at 90-150 MHz

Super-regenerative receiver for 90-150 MHz

Super-regenerative receiver on 80-125 MHz

Super-regenerative receiver on the barrier generator HF with OB

Super-regenerator 88-108 MHz

Super-regenerator with switched LC-circuit

Supersonic passenger liner Concord

Supervision of the activity of the stomach and intestines

Supervisor. Job description

Supply agent. Job description

Supply Manager. Job description

Suppressor of contact bounce pulses - pulse shaper

Suppressor of external acoustic noise for transceiver

Surf noise simulator

Surface cleaning from adhesive residues

Surface mount components in amateur radio designs

Surgeon. Job description

Surgical diseases. Crib

Surgical diseases. Lecture notes

Surgical site


Surrogate (chemical) drying oil with mineral oils

Surrogate drying oil according to the method of Chilikin

Surrogate of drying oil

Surround headphones

Surveillance with satellites for earthquake precursors

Surveyor. Job description

Survival in a wooded and marshy area

Sustainability of the functioning of economic facilities and their livelihoods

Svehregenerative receiver on the CB range

S-VIDEO - AV adapter

S-Video pinout (pinout)

S-Video to TV-IN adapter

Swallow a coin

Swallowed night light

Sweet miracles

Sweet salt

Sweets from the net

Sweets on a lace

Swimming with a torpedo pump

Swing armchair

Swing frequency generator

Swing frequency generator from SK-M-24-2

Swing top

Swing unit

Switch and antenna amplifier for 144 and 430 MHz bands

Switch for garlands on an unijunction transistor

Switch for garlands with smooth switching

Switch for low-pass filters in transistor power amplifiers

Switch for three garlands

Switch for two devices for the LPT port

Switch for water pump and valve

Switch frequency meter - capacitance meter

Switch of garlands on the relay

Switch on the light with two switches

Switch wiper

Switchable antenna BOX HA 80 m

Switchboards and substations with voltages above 1 kB. Complete, pole, mast transformer substations and network sectioning points

Switches of video and audio signals on microcircuits

Switches on transistors

Switches, switches, circuit breakers and starters

Switchgear and substations with voltages above 1 kB. Closed switchgears and substations

Switchgear with voltage up to 1 kB AC and up to 1.5 kB dc. Application area

Switchgear with voltage up to 1 kB AC and up to 1.5 kB dc. Foreword

Switchgear with voltage up to 1 kB AC and up to 1.5 kB dc. General requirements

Switchgear with voltage up to 1 kB AC and up to 1.5 kB dc. Installation of instruments and apparatus

Switchgear with voltage up to 1 kB AC and up to 1.5 kB dc. Installation of outdoor switchgears

Switchgear with voltage up to 1 kB AC and up to 1.5 kB dc. Installation of switchgears in electrical rooms

Switchgear with voltage up to 1 kB AC and up to 1.5 kB dc. Installation of switchgears in industrial premises

Switchgear with voltage up to 1 kB AC and up to 1.5 kB dc. Switchgear constructions

Switchgear with voltage up to 1 kB AC and up to 1.5 kB dc. Tires, wires, cables

Switchgears and substations with voltages above 1 kB. Biological protection from electric and magnetic fields

Switchgears and substations with voltages above 1 kB. Foreword

Switchgears and substations with voltages above 1 kB. General requirements

Switchgears and substations with voltages above 1 kB. In-house switchgears and transformer substations

Switchgears and substations with voltages above 1 kB. Installation of power transformers and reactors

Switchgears and substations with voltages above 1 kB. Oil industry

Switchgears and substations with voltages above 1 kB. Open Switchgears

Switchgears and substations with voltages above 1 kB. Pneumatic economy

Switchgears and substations with voltages above 1 kB. Protection against internal overvoltages

Switchgears and substations with voltages above 1 kB. Protection against lightning surges

Switchgears and substations with voltages above 1 kB. Protection of rotating electrical machines against lightning overvoltages

Switchgears and substations with voltages above 1 kB. Scope, definitions

Switching 12-volt electromagnetic relays from a voltage source is half the voltage

Switching device with automatic charger

Switching of household elevators

Switching of mains voltage with triacs

Switching of the hand power tool

Switching on DC motors to 110 or 220 volts

Switching on the magnetic starter

Switching power supplies, 48 / 24-36 volts 5 amps

Switching Power Supply

Switching power supply based on PC power supply

Switching power supply based on PWM UC3842, 60 watts

Switching power supply for household REA

Switching power supply for stereo amplifier, 220 / 2x15 volts 2x2 ampere

Switching power supply of powerful UMZCH

Switching power supply on an unijunction transistor

Switching power supply on PWM controller LX1552

Switching power supply on the chip KA2S0880, 220/15 volts 70 watts

Switching power supply on the STR-S6307 chip

Switching power supply to soldering iron with thermostat

Switching power supply unit UMZCH, 200-240 / 10,20,25 volts 3 amperes

Switching power supply unit UZCH, 200 watts

Switching power supply units on the LM2577 chip

Switching power supply with half-bridge converter

Switching power supply, 220 / 29x2 volts 8 amperes

Switching power supply, 220/5 volt 2.5 amperes

Switching power supply, 50 watts

Switching power supply, 8-40 / 5 volts 500 milliamperes

Switching power supply, 9 volt 3 amps

Switching receive / transmit in CW mode

Switching scheme of mechanical relay RX-TX

Switching the fluorescent lamp on the mains

Switching the three-phase motor into a single-phase network

Switching voltage converters

Swivel clamp

SWR meter

SWR meter for VHF range

SWR-meter of direct counting

Symbols of power cables

Symmetric amplifier for electret microphone

Symmetric device

Symmetric multivibrator

Symmetrical dinistors - in power supplies

Symmetrical level converter - voltage regulator

Symmetrical SHPT and chokes on ferrite tubes

Symmetrical transistor in a transformerless power supply


Synchronization of the second flash

Synchronous AC motors

Synchronous AM receiver

Synchronous detector with voltage doubling

Synchronous heterodyne receiver FM VHF signals

Synchronous Rectifier

Synthesis of digital circuits

Synthesis of tris (2,2'-bipyridine) ruthenium (II) tetrafluoroborate

Synthesizer of a sinusoidal signal

Synthesizers of frequency TSA6060

Synthetic fibers

Synthetic rubber

System Engineer. Job description

System programmer. Job description

Systems of designation of semiconductor devices of foreign manufacture

Systems of modern wind turbines

Systems of the security-fire signal system (OPS)