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Computer devices

Computer devices. Articles with illustrations and detailed explanations:
2 V from the USB port
5 V from the RS-232 port
A simple analog-to-digital converter - PC prefix
Adapter for powering a laptop in a car
ADSL Telephone Filter
Amplifiers for headphones with power through the computer’s USB connector
Analog part of the Sportster 14400 Fax
ATX unit for AT
Audio Power Amplifier in the computer system unit
AUTOFIRE in a computer manipulator
Automatic restart of the computer when it hangs
Automation of the hand scanner
Barcode Reader
Baycom radio modem for PC
Car power source for a laptop, 12/18 V
Car Power Supply for Laptop, 12 / 16-35 V 8 A
Car Power Supply for Laptop, 12/19 V 3 A
Circuit design of power units for personal computers
Computer fan control unit
Computer power supply in amateur radio structures
Computer Tuner
Computer-based logic analyzer
Connecting 2 computers on laser pointers
Connecting a D-100 printer to a PC
Connecting a sound blaster to a telephone line
Connecting the sound card to the telephone line
Contact joystick for PC
Device for monitoring the rotation of the cooler (fan, electric motor)
Diagnostic POST Card for the ISA bus
Docking Monitor Electronics 6105 with IBM PC
Dual-channel oscillographic prefix for PC
Dust is dangerous for a computer
Electrical safety of computers and computer networks
Fan speed controller (1)
Fan speed controller (2)
Fan speed controller (3)
Fan speed controller (4)
Fan speed controller for the computer’s power supply unit
Fan Stop Alarms
Features of the use of oxide capacitors in the power supply circuits of microprocessors
Finalizing the USB hub
Fisher-based computer clock
Full description of the 200-watt PC power supply circuit
Gaming Computer Mouse
Generator from a computer mouse
High-quality computer audio Amplifier
Homemade USB 2.0 cable of great length
How to check PonyProg
How to choose or make a USB hub
How to get rid of computer interference
If the image on the monitor screen is unstable
Infrared port for a computer on COM
Infrared port for computer (IrDA)
Intermediate Amplifier for computer sound card
Intermediate Amplifier sound card to eliminate deficiencies
Joystick do-it-yourself
Joystick for PC
K-Line adapter
LapLink / InterLink Parallel Cable
LCD from Nokia 3310 on LPT
Load Switch for Sound Card
Manage programs with the remote control
Modem for ZX Spectrum
Modem Max-2400 (for PC Sinclair
MP3 player - PC prefix
Null Modem 25-25 pin (COM-COM)
Null Modem 9-25 pin (COM-COM)
Once again about switching HDD in a computer
Optolink
Passive hub for twisted pair
PC manages electrical installations
Power Filter for HDD
Power supply for portable equipment from USB-port
Powering the laptop from the power supply of the old TV
Protection of a computer power supply
PS / 2 to Serial (COM) Mouse Adapter
Refinement of the electronic book Texet TB-840HD
Repairing a laptop battery
SIM card readers (3 options)
SIM Reader
Sound Amplifier for the subwoofer to the computer
Stabilized Laptop Power Supply
Steering wheel and pedals to the computer
TFT backlight recovery
Thermal control for a computer with their own hands
Turn counter for winding a transformer using a computer LPT port
TV from the monitor
TV-IN S-Video Adapter
Two-channel PC-based data collection and processing system
USB devices
USB Port — 6-15 V Power Supply
USB port - switch
USB-voltage recorder with the functions of the oscilloscope, spectrum analyzer and frequency response meter
Watchdog for the computer
We print an inkjet printer on CD and DVD
What is frame relay?
Who invented the computer
Why did the computer burn down?
All articles of the section Computers:
Computer devices
Computer interfaces
Computer moding
Computers.
Miscellaneous
Computers. Using CAD programs