Hi, Thx.. I am using relays to open/close a diy flat panel & turn the light on/off. The relay is not usb, it is run from rasp pins.. How do I 'tell' ekos to use that relay? How do I connect it to the relevant flatpanel interface? As a work-around I could call the relay with a pre-job script - but that is a less integrated solution. DaveRead More...