We’ve posted a new Node-RED example that shows how to read and write to G4 digital I/O.

Read-Write Flow

You can use this example even if you don’t have Opto 22’s Digital I/O Carrier Board for Raspberry Pi® or Digitial I/O for Raspberry Pi Starter Kit (AC/DC) (but who would want to?)

We’ve also redesigned the code sample pages for use with Raspberry Pi—check it out!