This is the command to control RTD Data Acquisition Stackable Card for Raspberry Pi.
First enable I2C communication:
~$ sudo raspi-config
~$ git clone https://github.com/SequentMicrosystems/rtd-rpi.git
~$ cd rtd-rpi/
~/rtd-rpi$ sudo make install
Now you can access all the functions of the relays board through the command "rtd". Use -h option for help:
~$ rtd -h
If you clone the repository any update can be made with the following commands:
~$ cd rtd-rpi/
~/rtd-rpi$ git pull
~/rtd-rpi$ sudo make install
Python library availble here.
Node-Red example based on exe-node here
Node-Red rtd node