OssoPI Raspberry PI (1 B+ or 2) I/O expansion board


  • both rpi 1 B+ or 2 supported
  • 8 relays up to 275VAC @ 10A
  • 8 digital opto-isolated inputs up to 50 meters distance
  • 9V to 24V DC power supply accepted
  • RPI is powered from the expansion pins
  • open source design

Out of stock

Product Description

OssoPI expand the Raspberry PI (both 1 B+ or 2)  adding 8 relays and 8 opto-isolated or non opto-isolated digital inputs


  • 8 relays up to 275V AC @10A
  • 8 digital opto-isolated or non-optoisolated inputs up to 50 meters distance
  • power supply 12V DC (Raspberry PI  powered from expansion pins)
  • compatible with both RPI 1 B+ or 2

Open Source:





  1. du you have any certifications, like CE or safety

    • Yes, the board is CE and ROHS certified. Anyway take care that if you use it to build a final product, you will need to certify your assembled product in any case.

  2. The relays in the picture are omron g5la-1 12VDC. Could the board be supplied with 24VDC instead of 12VDC?

    • Yes, just drop me an email or specify it in the form comments during checkout

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