GPIO Interface Board (PCB)


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This PCB is a GPIO Interface Board for Raspberry Pi featuring 4x opto-isolated inputs, 8x Darlington outputs, and 1-wire bus for temperature sensors.

Out of stock


Product Description

The Lo-tech GPIO Interface Board rev.2 enables the connection of Raspberry Pi with 40-pin GPIO headers (A+/B+/2B/3) to the outside world, featuring:

  • 4x opto-isolated inputs
  • 8x open-collector outputs (max. 30V/200mA)
  • Maxim 1-wire bus connection (eg for 18B20 temperature sensor)
  • Fused 5V power header (for powering the Raspberry Pi)

The board has been designed to fit directly on top of the RaspberryPi Model A+, B+, 2B and 3 following the HAT physical dimensions.

This board is ideal for home automation and school projects and anyone wanting the extra challenge of assembling some hardware for the RaspberryPi. See wiki page for full product detail.

Note: GPIO Board PCB only – components & Raspberry Pi must be sourced separately. Photos of assembled boards are for illustration only. This product is also available fully assembled and CE Marked for commercial and industrial users.

Are you after something slightly different? Please let me know!

Additional Information

Weight 13 g
Dimensions 6.5 x 5.6 x 0.16 cm


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