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hard disk switch schematics – Circuit Schematic
hard disk switch schematics
In these times with viruses and other threats from the Internet it would be nice to have reassurance that the PC cannot be infected. That is why this circuit wa...
computer off switch schematics – Circuit Schematic
computer off switch schematics
How often does it happen that you close down Windows and then forget to turn off the computer This circuit does that automatically. After Windows is shut down t...
monitor splitter – Circuit Schematic
monitor splitter
The signal sources in the analog output stage of the PC SVGA card see the right impedance - 75 ohms on each line (five resistors), and the input impedances of t...
usb printer share switch circuit project – Circuit Schematic
usb printer share switch circuit project
This simple device allows two computers to share a single USB printer or some other USB device, such as an external flash drive, memory card reader or scanner. ...
computer Interface Circuit – Circuit Schematic
computer Interface Circuit
This basic PIC-based RS-232 serial interface can control up to 120 digital TTL outputs.....
pic dmx interface software – Circuit Schematic
pic dmx interface software
The idea for the project started nearly two years ago, while I was researching the purchase of a new lighting board for a small theatre where I was working at t...
ZXSpectrum128 plus 3 circuit service manual – Circuit Schematic
ZXSpectrum128 plus 3 circuit service manual
To invoke the Spectrum +3 diagnostic routines, first reset the machine while holding the BREAK key down. This will go into the test card dispray. Now hold down ...
dslr serial. – Circuit Schematic
dslr serial.
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spi schematics – Circuit Schematic
spi schematics
Schematic for the SPI Supplies Faraday Cup Take a detailed look at the diagrams for the SPI Supplies stand-alone Faraday Cup for calibrating beam currents in wa...
jtag cable – Circuit Schematic
jtag cable
One end of JTAG Cable is a DB25 header used for connecting the parallel port of computer and the other end is a 20 pin (or 14 pin) IDC header used for connectin...
programming pen usb interface – Circuit Schematic
programming pen usb interface
Trigger programming with its build-in pushbutton. The solution I came up with was to add a tiny USB keyboard circuit to the pen`s interface. One method to have ...
sb2 midi – Circuit Schematic
sb2 midi
How to build a MIDI interface to connect a SB/SB Pro/SB16 sound card joystick port to a MIDI capable musical instrument.....
Sim card to PC adapter cable – Circuit Schematic
Sim card to PC adapter cable
The adapter electronic gets its power supply from the smartcard reader device VCC line or you can use an external 5 V supply if you wish. The card slot"s RST li...
usb controller circuit with pcm2902 – Circuit Schematic
usb controller circuit with pcm2902
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relay driver board project – Circuit Schematic
relay driver board project
This article means to utilize your old PC to be come a simple controller. Many old PC like 8088 type, 8086, 80286, 80386, or even 80486 already become an obsole...
satellite camera controller with a pc – Circuit Schematic
satellite camera controller with a pc
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midi interface – Circuit Schematic
midi interface
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laptop schematic diagram – Circuit Schematic
laptop schematic diagram
Laptop schematic diagram volvi blog diagram, DDR1 DDR2, Mobile cpu 478 celeron, ICH7M, audio circuit using G1431Q, Codec ALC268, opamp G1412, Modem MDC Card, HD...
laptop lcd display to vga interface project – Circuit Schematic
laptop lcd display to vga interface project
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device control through pc using usb port – Circuit Schematic
device control through pc using usb port
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