4relay-rpi

Don't forget to enable I2C communication:

~$ sudo raspi-config

Usage

~$ git clone https://github.com/SequentMicrosystems/4relay-rpi.git
~$ cd 4relay-rpi/
~/4relay-rpi$ sudo make install

Now you can access all the functions of the relays board through the command "4relay". Use -h option for help:

~$ 4relay -h

If you clone the repository any update can be made with the following commands:

~$ cd 4relay-rpi/  
~/4relay-rpi$ git pull
~/4relay-rpi$ sudo make install

Python driver can be found here.

Node-Red example basd on "exec" node here.

Node-Red "4relay" node under construction.