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Video Digitizer Project – Circuit Schematic
Video Digitizer Project
This is the original Circuit Cellar ImageWise Transmitter that I started with. I disassembled the code and made it grab two half size images. This allowed me to...
Video Digitizer Project – Circuit Schematic
Video Digitizer Project
This is the original Circuit Cellar ImageWise Transmitter that I started with. I disassembled the code and made it grab two half size images. This allowed me to...
Serial LCD Library – Circuit Schematic
Serial LCD Library
This project can be used with a standard Hitachi HD44780 (or compatible) controller chip to control it through only 2 wires. There is a variety of shapes and si...
Serial LCD Library – Circuit Schematic
Serial LCD Library
This project can be used with a standard Hitachi HD44780 (or compatible) controller chip to control it through only 2 wires. There is a variety of shapes and si...
Repair of Computer and Video Monitors – Circuit Schematic
Repair of Computer and Video Monitors
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Repair of Computer and Video Monitors – Circuit Schematic
Repair of Computer and Video Monitors
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DMX PC Keyboard Interface circuit – Circuit Schematic
DMX PC Keyboard Interface circuit
To be used with PC connected to video projectors, where the lighting controller may require control of a presentation on the video screen but the PC for the pre...
Sega Saturn controller to USB adapter – Circuit Schematic
Sega Saturn controller to USB adapter
This projects makes it possible to use Sega Saturn peripherals (controllers, mouse) on a PC through an USB port. Using the schematic and firmware available on t...
Multiuse tiny1 – Circuit Schematic
Multiuse tiny1
This small PCB, which I named Multiuse tiny1 was originally designed to convert NES/SNES controllers to USB. Since there is not a lot of space availabe inside a...
PS/2 Keyboard IR Receiver – Circuit Schematic
PS/2 Keyboard IR Receiver
A few years ago, someone gave me a small wireless infra-red keyboard, part no. RC-KB2, designed to be used with a Kenwood audio system. As soon as I saw it, I w...
Reprogrammable Genesis Cartridge – Circuit Schematic
Reprogrammable Genesis Cartridge
Build a reprogrammable cartridge. Many things can be done with such a cartridge: You can develop your own applications or games and try them on real hardware in...
USB Interface Board Tutorial Using PIC18F4550 – Circuit Schematic
USB Interface Board Tutorial Using PIC18F4550
This project demonstrates a computer control interface using a USB Board. (USB INTERFACE PROJECT). This tutorial will show you a simple way to control some devi...
Linux FRS Radio Control – Circuit Schematic
Linux FRS Radio Control
This is a simple hardware computer interface and Linux program which can be used to control the most commonly used buttons on any consumer Family Radio Service ...
KG6MVBs Rig to Computer interface – Circuit Schematic
KG6MVBs Rig to Computer interface
This page describes a modification that you plug in to your radio and computer. Do this at your own risk! It`s your choice to do this. I`m not forcing it on you...
Homebrewing – Circuit Schematic
Homebrewing
This simple PC parallel port ADC has 12 b resolution, four differential input channels and is it`s quite fast; the chip itself ( MAX186 ) is able to go up to 13...
Simple RS232 Serial Interface Circuit – Circuit Schematic
Simple RS232 Serial Interface Circuit
The circuit for the rs232 serial interface is of mild complexity. The main parts of the circuit are the 18F4520, MAX233A and DB-9 Connector and these portions o...
Simple PIC USB Interface Circuit – Circuit Schematic
Simple PIC USB Interface Circuit
Hardware design for USB is actually quite minimal, which is a big plus for us. However, what you quickly find out with USB is that the easy hardware design mean...
FPGA RS232 Serial Interface Circuit – Circuit Schematic
FPGA RS232 Serial Interface Circuit
The schematic for this project is a modified version of the CPLD dev board schematic. There are a few new parts added for this project and you can see the compl...
FPGA / CPLD 16x2 LCD Interface Circuit – Circuit Schematic
FPGA / CPLD 16x2 LCD Interface Circuit
The schematic for this project is a modified version of the CPLD dev board schematic. There are a few new parts added for this project and you can see the compl...
Build A Byte Blaster Circuit – Circuit Schematic
Build A Byte Blaster Circuit
This schematic is taken directly from the Altera ByteBlaster datasheet or manual. They spill out all the fine print and details of how the connector works & wha...