Here is a good 3 part series: 1- https://www.youtube.com/watch?v=3AR432bguOY 2- https://www.youtube.com/watch?v=V0SmNcIYCtQ 3- https://www.youtube.com/watch?v=bovIZtgL68E The main interfaces or node RED are raspberry pi and conventional arduino boards but there is also a more industrial PLC: https://www.controllino.biz/ that use the arduino framework and in turn can leverage node-RED My main use cases are for Smart Home Automation & Microgreens This would be such a valuable addition!