Digital: Score Board

This LCD expansion board upgrades your exisiting BW PLL exciter / transmitter so that it has an LCD readout and easier frequency adjustment.

Allows for connection to Personal Computers USB (Universal Serial Bus)

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.

Low cost 12 channel Infrared Remote Control with relay board

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

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.

The company HiTechnic has recently released a new NXT Prototyping Board

This is the Brodcast Warehouse All-in-One PCB 1 Watt FM Transmitter. This item has a built in limiter / compressor & stereo encoder!

Both a touch and a contact switch are built on one PC board so that the builder can see how each works. A battery can power the contact switch but you'll need an AC power supply for the touch switch to work well. The circuit switches a relay with a 3 Amp

This really is an excellent introduction to security devices. Set your own four digit code; any wrong key-in sequence resets the lock; correct sequence activates the relay (up to 240VAC contacts). A 9-digit key pad circuit board is separate and connects v

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

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

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