7

Are there any expansion boards available for the Raspberry Pi for use with the GPIO?

7

Adafruit has unidirectional and bidirectional Logic Level Converters among other goodies for the RasPi.

BitWizard B.V. also carries a range of I2C expansion boards and accessories,

Just came across this one on youtube available here for order(preorder)

RaspberryPI has also discussed the Gertboard, but I have yet to see pricing and availability details.

  • Thanks for the info, the Adafruit one is interesting but has no logic on it, it is just a prototype board. I like the Gertboard, hope it will be available soon. I may just make one instead of waiting, it can be faster. But thanks a lot for the list. – FarhadA Jun 22 '12 at 7:36
3

The Pi-Face looks like a great expansion board.

From the website:

  • Allows you to control lights, motors etc and monitor digital inputs, switches, etc.
  • Four switches and four LEDs on board for rapid prototyping
  • Two onboard relays (10A) for easy control
  • Buffered to protect the Raspberry Pi; high-current open collector outputs and schmit trigger buffer inputs
  • Credit card size, stacks on top of Raspberry Pi
  • Easy to connect with screw terminals
  • Easy to program with C and Python libraries

From the looks of things this will allow you to take input from a myriad of sensors, and easily allow you to interface your Pi with external components like switches, relays, lights etc

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