node-red-contrib-libgpiod

A set of input and output nodes for controlling General Purpose Input and Outputs (GPIOs) though libgpiod (ioctl)

Requirements

• node-libgpiod (native nodejs bindings for libgpiod)

Install

cd ~/.node-red
npm install node-red-contrib-libgpiod

Usage

in nodes configuration choose device and correct pin number
for output inject msg.payload = true/1 for high state and false/0 for low state
for input inject any value to trigger reading

Tested on

• LTPPxG2 with sp7021 SoC (32 bits, 512MB ram) running Yocto