• PT100 interface
  • 4 Analog inputs
  • 2 Analog outputs
  • 4 Digital Inputs
  • 8 Digital outputs
  • Optional onboard PSU
  • Supplied with standard mounting kit
  • DIN mounting kit available separately
  • Open source Python3 SDK

This expansion hat for the PI provides a single high speed RS232 port as well as some general purpose digital IO. It is ideal for home automation, or protocol conversion. The board comes with our SDK and some examples to get you up to speed quickly.


Digital Outputsx 8 High side
Max current per channel 0.35 A
Voltage range2-24 V
Max switching frequency>10KHZ
Inductive loadsY
TechnologyDARLINGTON, built in 350mA Current limit
Digital Inputsx 4
Voltage range2-24 V
Temperature1x 3 wire PT100 typical -50 to +200 Deg C range
Analog in0-10V or 0-20mA Jumper configurable (500R load)
Analog out0-10V @ 30mA
Power supplyVarious configurations
Connections0,24V,5V terminals,
Onboard DCDC1A or 2A optional
Status LEDsRUN,Fault and Field supply LED
Terminal blocks3.5mm
Wire range18-24 AWG
CompatabilityPi1-3 (requires 40 pin GPIO), Pi4 requires GPIO Extender kit
Kit ContentsPiIO PCB + Standard mounting kit
Kit OptionsOnboard DCDCs / DIN Kit / GPIO Extender kit





Software library on github

Tecnical Notes