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Digital: Clock From Pc

Photo: Logic Probe Logic Probe
An indispensable piece of electronic equipment for testing and measuring digital equipment. This Electronic Kit is normally used for fault finding and testing but can also be a great help in design work and to see how digital equipment works. Switch for u
Photo: Parallel Port Relay Board Parallel Port Relay Board
Use an old PC as a dedicated controller to turn on or off devices lab or radio shack. The circuit includes eight relays controlled with (included) software for either DOS or Windows 3.1. The kit is a boon to the Science Fair project, laboratory experiment
Photo: Parallel Port Relay Switch Board Parallel Port Relay Switch Board
Use an old PC as a "dedicated controller" to turn on or off devices lab or radio shack. The circuit includes eight relays controlled with (included) software for either DOS or Windows 3.1. The kit is a boon to the Science Fair project, laborator
Photo: Digital Roulette Electronic Kit Digital Roulette Electronic Kit
This Digital Roulette Kit is just like the real thing. With a push of a button, the LEDs spin round and round. Where they stop is anybody's guess. Its unique design includes "pop out" chips of different values. Enjoy hours of fun with this game
Photo: Serial PIC Programmer Serial PIC Programmer
An entry level programmer and a terrific educational aid. The 16C84 micro-controller from Microchip Technologies has become very popular with hobbyists and beginners. Does not require U/V light to erase programs; programs are erased electrically and the c
Photo: Serial Port Relay Board (Serial Port I/O Module) Serial Port Relay Board (Serial Port I/O Module)
You can program this stand alone controller via PC Serial Port. Simply connect a serial cable from your computer to the connector on relay board.