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- Circuit Cellar magazine:
- Elektor Electronics magazine:
- Nuts And Volts magazine:
I guess the crossed out digit
I know your map
I see through the objects
I2C control bus
Ice cube physics
Ice without refrigerator
ICs of the ICL71X6 family with reduced supply voltage
Identification of conductors by colors or numerals
Identification of hazards
Identification of injection systems of different manufacturers
Identifier of substances
Identifier of zener diodes
IF generator for tuning receivers
If the bearing is scattered
If the child chokes
If the child has lost consciousness
If the image on the monitor screen is unstable
If the molecules are moving, then why do not we see that things are changing?
Ignition module for motorcycle
Ignition module for VAZ-2108 and VAZ-2109
Ignition of a candle from the opposite side
Ignition of paper with water
Ignition system for a car with a new way of igniting the fuel
Ignition system for Samara car
Ignition system malfunction indicator
Ignition-free ignition for motorcycles
Illumination for light switch
Illumination of the object
Illumination, noise and their impact on working conditions and on the human body
Image path for a miniature TV
Image processing by filters in VirtualDub
Imitating coloring of pelts
Imitation of malachite, lapis lazuli, aventurine and turquoise
Implementation and maintenance of the OSH management system
Implementation of a device based on the W5100 chip for working in Ethernet networks
Imported heads in domestic tape recorders
Imported radio elements
Imposer. Job description
Impregnation and washing of air filters. Standard instruction on labor protection
Improved 1-400 volt probe
Improved audio reproduction in the UMZH system loudspeaker
Improved battery discharge limiter
Improved capacitance and inductance meter
Improved cooling of microprocessors
Improved economy of flashbulbs
Improved FM radio reception
Improved ignition unit
Improved ignition unit for the car
Improved indicator of the coming year
Improved musical metronome
Improved operation of electronic wrist watches
Improved operation of the ignition system for VAZ cars with a carburetor engine
Improved operation of the voltage converter
Improved pulse voltage regulator
Improved reliability of the tangent
Improved selectivity of receivers
Improved soldering iron for removing parts
Improved sound quality 25AC-109
Improved version of the metal detector on the beats
Improved work of welding machines
Improvement of acoustic systems Amphiton 25AC-027
Improvement of AGC receiver using varistor
Improvement of imported telephones
Improvement of octane-proofreader
Improvement of the AC of imported mini-systems
Improvement of the acoustic system AC-35 (S-90)
Improvement of the active indoor band antenna of the range KB
Improvement of the detector receiver
Improvement of the direct radiation head
Improvement of the electric kettle
Improvement of the electronic voltage regulator
Improvement of the high-frequency power supply of the fluorescent lamp
Improvement of the parametric voltage regulator
Improvement of the preliminary frequency divider
Improvement of the receiver with PLL
Improvement of the speed controller of three-phase asynchronous motors
Improvement of the squelch on the K157HP3 chip
Improvement of the UW3DI transceiver
Improvement of the voltage converter
Improvement of UMZCH with non-standard inclusion of OS
Improving the computer speaker SP-P110
Improving the graphics card
Improving the image in the old TV
Improving the reliability of the Bulgarian
Improving the sound of 15GD-11A and 10GD-35
Improving the sound of 35AC-1 and its modifications
Improving the sound of a miniature receiver
Improving the technical characteristics of radios
Impulse generator for calibrating the tachometer
In a hike - without a fire
In honor of what animal are the Canary Islands named?
In honor of whom was America named?
In one backpack - three
In saliva, not only amylase
In spot welding mode
In the advertisement of a household appliance, the idea of a hair dryer for the first time sounded?
In the bathroom - a toy instead of a glass
In the fridge - 0 ° C
In the geometric center
In the same line
In the snow on the thorns
In the soap bubble the bubble
In the welding of pipes the clamp will help
In what did the people of Kiev reproach their Grand Duke Svyatoslav Igorevich?
In what kind of sport do the rules remain unchanged for more than two millennia?
In what range is the Earth comparable in brightness to the Sun and many times greater than all other planets of the Solar System combined?
In what respect does Jupiter, Saturn, and Neptune mismatch the classical definition of the planet?
In what state is Washington, the capital of the United States?
In what way did Johannes Kepler see the purpose of astrology?
In which city the population for the first time on earth reached a million people?
In which country do you drink the most milk?
In which direction does the water in the bath merge?
In which hand is the coin?
In which language are the longest words?
In which liquid can a coin float, and a cork - drown?
In which month is the Earth closest to the Sun and in what is the most distant from it?
In which movie for the first time used tricks?
In which orbits do most of the communication satellites exist?
In which order are the planets of the solar system?
In which part of the world are most states?
In which river is the salt water flowing?
In which scientific journal was the first report of the Wright brothers published about their achievements?
In which state are the underground cables most seldom damaged and why?
In which state is an officially functioning educational institution preparing astrologers?
In which state of the world is the lowest birth rate?
In whose honor is the Alexandrinsky Theater named in St. Petersburg?
Incandescent lamp lasts longer
Incandescent light bulbs
Incandescent light switch
Inclusion indicators for soldering irons
Inclusion of low-voltage electrolytic capacitors
Increase in hardness of rosin
Increase in the frequency of quartz
Increase of the input resistance of the voltmeter to 1 GOhm
Increase the dynamic range and sensitivity of the radio station ALAN-100 +
Increase the output current of the voltage regulator IC without significantly degrading its efficiency
Increase the output power of the car stereo
Increase the sensitivity of the receiver
Increase the sensitivity of ZUSTS TVs
Increase the supply voltage of the output stages of the transmitters
Increase the temperature stability of the operating frequency of the RA3AO transceiver
Increased frequency of quartz
Increased power output of stabilized power supplies
Increasing soldering iron power regulator
Increasing the reliability of the Buran snowmobile
Increasing the stability of ship models
Incredible card guessing
Incredible release from ropes bound person
Incremental stabilizer of alternating voltage
Incubator motor control device
Independent detuning in the RA3AO transceiver
Independent switching on and off of load
Index of fuel for a motorcycle
Index of phases
Index of the included transfer
Indication of connection of electrical appliances to the 220 V network
Indication of connection of electrical appliances to the 220 volt network
Indication of hidden wiring
Indication of hidden wiring on chips
Indication of the apartment call
Indicator for beta and gamma radiation
Indicator for charging a 14.4-volt screwdriver
Indicator for connecting electrical appliances to the 220 V network
Indicator for finding hidden wiring and metal fittings
Indicator for infrared, x-ray and gamma rays
Indicator of automatic SWR meter
Indicator of current or power consumption
Indicator of hidden wiring
Indicator of ionizing radiation on microcircuits
Indicator of KZ-turns in coils with ferromagnetic magnetic cores
Indicator of radioactivity
Indicator of the electric field
Indicator of the included motorcycle transmission
Indicator of theft
Indicator-control on thyratron
Indicator-level indicator of radiation
Indicators - phenolphthalein
Indicators for the angle of rotation of the antenna
Indicators from juices and compotes
Indicators from natural substances
Indicators of comfort and human activity
Indicators on neon lamps
Indicators to the paired phone
Individual bioenergy unit IBGU-1
Individual protection against modern means of destruction
Indoor light switch
Indoor water level indicator
Inductance. Code marking
Inductance. Color marking
Inductances of the constant series EC24
Inductive sensors in the car
Inductor and capacitance meter
Inductor coil and capacitor in alternating current circuit
Industrial photovoltaic systems
Industrial receiver - hearing aid
Industrial use of solar heat
Industrial ventilation and air conditioning
Inertia of an apple
Infectious diseases. Crib
Infectious diseases. Lecture notes
Infinite water lift
Influence of electromagnetic fields and non-ionizing radiations on human beings
Influence of infrared radiation on the human body
Influence of nearby objects on pin operation and lightning protection
Influence of radioactive substances on flora and fauna
Influenza and acute respiratory viral diseases (ARI)
Informatics and information technology. Crib
Informatics and information technology. Lecture notes
Informatics. Lecture notes
Information law. Crib
Information Manager. Job description
Information material handler. Job description
Information Security Engineer. Job description
Information security is the most important component of national security
Information security specialist. Job description
Information security technician. Job description
Information signs on power lines
Information wars and information terrorism
Infrared business card
Infrared Business Card Generator with Encoder
Infrared business card receiver with decoder
Infrared electronic password
Infrared electronic password generator with encoder
Infrared electronic password receiver with decoder
Infrared light control system
Infrared link in the security system
Infrared port and work with it
Infrared port for computer on COM
Infrared Presence Sensor
Infrared receiver on a chip
Infrared receiver with transistors
Infrared remote control for computer
Infrared remote control system
Infrared switch with remote control
Inheritance law. Crib
Inheritance law. Lecture notes
Inhibitors - substances that slow down the chemical reaction
Initialization of additional memory segments in programs for microcontrollers MCS-51 family
Injection molding plant
Injuries at home, causes of injuries
Injuries to fingers and toes
Injury of the eye
Injury of the nose
Injury of the spine
Ink for labeling the laundry
Inks containing tannic acid
Inks for various materials
Inks for writing on metals
Innovative management. Crib
Inorganic chemistry. Crib
Input amplifier-shaper of the frequency meter
Input circuit of the transceiver
Input frequency divider
Input switch with mixing
Inspector of the administration. Job description
Inspector of the military registration desk of the city administration. Job description
Inspector of the Office of Passes. Job description
Inspector-disinfector. Standard instruction on labor protection
Install the non-genuine generator on Ford Explorer
Installation and equipment of tents
Installation and power wires
Installation Falling snow
Installation instructions for local area networks
Installation of acoustic systems
Installation of anti-theft devices
Installation of cable wiring
Installation of car speakers in the doors of the cabin. Part 1
Installation of car speakers in the doors of the cabin. Part 2
Installation of concealed wiring
Installation of contact connections. General requirements
Installation of electrical components
Installation of electricity meters and wiring to them
Installation of external pipelines. Standard instruction on labor protection
Installation of external wiring
Installation of lamps in a color music device
Installation of lighting electrical installations. Basic information
Installation of open wiring
Installation of open wirings
Installation of solar hot water supply
Installation of switches, sockets and lighting fixtures
Installation of ventilation, air conditioning, pneumatic transport and aspiration systems. Standard instruction on labor protection
Installation of wiring in basements
Installation of wiring in garages and workshops
Installation of wiring in pipes
Installation of wiring with flat wires
Installation of wirings with protected wires
Installation work with tools and accessories. Standard instruction on labor protection
Installation workshop for beginners
Installation workshop for professionals
Installation, connection of the circuit breaker
Installation, connection, phasing of household outlet
Installations for burning biofuel. Boilers for burning sludge
Installations for burning biofuel. Boilers with fluidized bed
Installations for burning biofuel. Incineration of wood waste
Installations for burning biofuel. Solid incinerators
Installations for producing biodiesel from biomass
Installer for the installation of steel and reinforced concrete structures. Job description
Installer of sanitary equipment. Standard instruction on labor protection
Installer of translucent structures. Job description
Installer of ventilation, air conditioning, pneumatic transport and aspiration systems. Job description
Installer. Standard instruction on labor protection
Installing speaker systems on spikes
Installing the Christmas tree in the cartridge
Installing the front car speakers
Instant fluid transformation into crystals
Instant freezing of water
Instant photographing of viewers
Instant repair of the remote control buttons
Instant television antenna from handy materials
Instant water transformation into ice
Instantly growing flower
Instead of a blue scarf - red
Instead of a circle, the skin
Instead of a microphone - the dynamic head
Instead of a switch - carnations
Instead of a ventilation grille
Instead of electricity - sand
Instead of fuel - wave and wind
Instead of gloves
Instead of matches - coins
Instead of neonki
Instead of the refrigerator relay
Instead of toggle switch - relay, instead of CPE - resistor
Instruction on labor protection for battery-holders
Instruction on labor protection for electricians of construction
Instruction on labor protection for machinists of power stations mobile
Instruction on safety at work with PC and video display terminals
Instruction on the protection of labor for the operator on automatic and semi-automatic lines engaged in the boarding of shields. Standard instruction on labor protection
Instructions for first aid in case of accidents. Standard instruction on labor protection
Instructions on labor protection
Instructor for curative physical education. Job description
Instructor for labor therapy. Job description
Instructor of a cultural and educational institution. Job description
Instructor of the security service. Job description
Instructor of the training center. Job description
Instructor-disinfector. Job description
Instructor-methodologist for industrial gymnastics. Job description
Instructor-methodologist in physical culture and sports. Job description
Instrument fitter on duty and A. Typical instruction on labor protection
Instrument fitter. Standard instruction on labor protection
Instrument for testing transformers
Instrument for the repair of instrumentation. Job description
Instrument locksmith. Job description
Instruments for determining wind parameters
Insulation and roofing works. Standard instruction on labor protection
Insulation of electrical installations. Application area. Definitions
Insulation of electrical installations. Coefficients of use of basic types of insulators and insulating structures (glass and porcelain)
Insulation of electrical installations. Determination of pollution degree
Insulation of electrical installations. External glass and porcelain insulation of electrical equipment and outdoor switchgear
Insulation of electrical installations. General requirements
Insulation pipes made of polyvinylchloride plastic
Insulation thickness gauge
Insulator on thermal insulation. Standard instruction on labor protection
Insulator on waterproofing. Job description
Insulator on waterproofing. Standard instruction on labor protection
Insulator. Standard instruction on labor protection
Insurance against accidents at work
Insurance agent. Job description
Insurance as a method of compensation for harm
Insurance business. Crib
Insurance law. Crib
Insurance law. Lecture notes
Insurance. Lecture notes
Integral switches: parameters, application
Integral timer as an input stage running from a long line
Integral timer in the temperature control circuit
Integral timer in the Temperature-frequency converter
Integral timers in automotive anti-theft system
Integral voltage regulators 78xx, 79xx, 78Lxx, 79Lxx, LMxxx
Integrated microcircuits of foreign countries and their analogues produced by the USSR
Integrated universal analog programmable microcircuits: selection of elementary functional units
Intelligent charger for Ni-Cd batteries
Intelligent lighting switch
Interchangeability of TV channel selectors
Intercom for motorcycle
Intercom system - an operational console
Intercom system Director-Secretary
Intercom system for 100 subscribers
Interesting experiments: family of thyristors
Interesting experiments: some FET capabilities
Interface converter GPIB-RS-232
Interface converter RS232-RS422
Interference suppression filter
Interference-free power supply
Interior lighting by super-bright LEDs
Interior lighting. Feeding lighting network
Interior lighting. General requirements
Interior lighting. Group network
Interlacing and how to deal with it
Interlocking in a matchbox
Intermediate amplifier for computer sound card
Intermediate frequency selection
Intermediate sound card amplifier for troubleshooting
Intermittent signaling on multipolar transistors
Internal Auditor. Job description
Internal bleeding with ectopic pregnancy
Internal diseases. Crib
Internal diseases. Lecture notes
Internal lightning protection system
Internal sources of electromagnetic radiation
Internal work order
International cooperation in the field of life safety and environmental protection
International economic relations. Crib
International economic relations. Lecture notes
International experience in organizing emergency medical care for the population in emergency situations
International Financial Reporting Standards. Crib
International law. Crib
International private law. Crib
International private law. Lecture notes
International Standards on Auditing. Crib
International television standards
Interphone for two subscribers
Interphone from old phones
Interphone system on the LM386 chip
Interphone system over a 220 V network
Interphone with automatic calling
Interval timer on microcontroller PIC16F684
Interviewer. Job description
Introduction of the second VHF band in the car stereo with a synthesizer
Introduction to Digital Electronics
Introduction to pedagogical activity. Crib
Inverted card guessing
Inverter for asynchronous motor
Inverter for Triac
Inverter on hybrid thyristor, 180-230 / 12-24 volts 20 amperes
Inverter power source
Inverter power source of welding current. Repair experience and calculation of electromagnetic elements
Inverter welding power source
Inverting Linear Amplifier
Investigation and accounting of accidents
Investigation and analysis of accidents at work (registration and accounting)
Investigation of accidents
Investigation of PSpice models of analog radio elements
Investments. Lecture notes
Invisible Alarm Clock
Invisible and crafty snake
Invisible coin transfer
Invisible Fire Extinguisher
Invisible inscriptions - how to make them and how to show
Invisible power supplies
Invulnerable air balloon
Invulnerable card in the envelope
Invulnerable packet with water
Invulnerable rope ring
Ionizing radiation and ensuring radiation safety
Ionizing radiation and protection from them
Ionizing radiation and their effect on the body
IPV meter with auto-calibration
IR automatic light control
IR Control Unit Relay
IR light switch
IR light switch for one or two lamps
IR link in burglar alarm
IR locator for the blind
IR remote command receiver with USB interface
IR remote control includes electrical appliances
IrDA for computer (IrDA)
IrDA port adapter for computer
IrDA with own hands
Iron nails are covered with a layer of copper
Iron with sound heating indication
Is a chimpanzee a monkey?
Is a low-calorie diet useful?
Is all the rice white?
Is American cuisine good for your health?
Is cheese useful?
Is chocolate useful?
Is French toast really French?
Is it all a detector?
Is it always hot in the desert?
Is it correct to reduce the dog's behavior to a simple complex of conditioned and unconditioned reflexes?
Is it easy to blow out a candle?
Is it far from the Sun?
Is it necessary to take an optical telescope out of the atmosphere for a significant increase in its resolving power?
Is it possible to artificially cause rain?
Is it possible to fly far, using only the strength of the muscles?
Is it possible to hypnotize a person against his will?
Is it possible to notice the lie of the interlocutor?
Is it possible to protect caller ID from crashes?
Is it possible to prove paternity by blood group?
Is it possible to weigh a molecule?
Is it really possible to hypnotize a snake?
Is it true that a nightingale sings only at night?
Is it true that a person yawns only when he is tired?
Is it true that in 1576 the Queen of Pirates and Queen of England met?
Is it true that our children are getting fat?
Is it true that the best remedy for depression is to give up on it with your hand?
Is it true that the centipedes have a hundred feet?
Is it true that the conservatory is a shelter for street children?
Is it true that the pen from the left wing of the goose was better suited for writing?
Is it true that the water in which a silver object is immersed kills microbes?
Is it true that there was an elevator in the Colosseum?
Is it useful to get involved in physical education?
Is it useful to think?
Is it worth believing the centenary calendar?
Is separate power useful?
Is the Earth always at the same distance from the Sun?
Is the equator the hottest place on earth?
Is the furniture furniture designer the co-author of what discovery in medicine?
Is the Lion in the sky terrified?
Is the milk the same?
Is the Moon the only natural satellite of the Earth?
Is the New Year the same everywhere in the world?
Is the ostrich really hiding its head in the sand in case of danger?
Is the planet Pluto?
Is the skin useful to sunlight?
Is the surface of the sea surface growing?
Is the temperature at the North and South Pole identical?
Is the universe infinite?
Is the whale the only marine mammal?
Is there a coin? Coins do not exist!
Is there a difference between a bison and a bison?
Is there a thermometer without mercury?
Is there an animal vampire?
Is there an ephemeral one in the animal kingdom?
Is there any benefit from mosquitoes?
Is there any sea on the Moon?
Is there any weight near the air?
Is there enough drinking water on the planet?
Is there less rainforest on the planet?
Is there life in Antarctica?
Is there life in the Dead Sea?
Is there life on Mars?
Is thunder dangerous?
Is tomato a fruit or a vegetable?
ISD4004-16M - single-chip speech recording / reproduction system
Island of Iceland
Isolated light switch with timer
Isolation of electrical installations. Isolation of overhead lines
Isolation of electrical installations. Selection of insulation by discharge characteristics
Isotron antenna for the range of 14-30 MHz
Issue of soap and detoxifying agents
IT Grounding System
It's cut, but it's whole
It's not just about cloaks