Product Data
https://pi-plates.com/relayr1/
Python Code
https://forge.codesys.com/drv/relay-pi-plate/wiki/Pi-Plate%20Code%20to%20Convert%20To%20SPI/
User Guide
https://pi-plates.com/relayplate-users-guide/
Command Reference
https://pi-plates.com/downloads/RELAYplateQuickReferenceGuide.pdf
Data
Relay Plate Address
Relay Number
Relay State
Relay Functions
Turn Relay On
Turn Relay Off
Toggle Relay
Relay All (Byte)
Return Relay State
LED Functions
Set LED
Clear LED
Toggle LED
System Functions
Get Firmware Version
Reset
Address Range of boards 0 to 7
Relay Range 1 to 7
GPIO Used, I will write out what they are for when I find out.
The following pins are dedicated to Pi-Plates and cannot be shared:
Pin 22 / GPIO 25
Pin 26 / GPIO 7
Pin 16 / GPIO 23
Pin 15 / GPIO 22
The following pins are used for SPI communication and can be used by other SPI-enabled devices selected by CE0. They cannot be used for GPIO:
Pin 23 / GPIO 11
The following pin may be used by Pi-Plates if their features are enabled:
Pin 12 / GPIO 18
The following pins are reserved for future expansion:
Pin 16 / GPIO 23