It should be possible to send rs232 commands via mqtt to a wemos or nodemcu. I did something simular to control axa window openers. It is writen in dutch. If you need more explanation please ask via pm.
It should be possible to send rs232 commands via mqtt to a wemos or nodemcu. I did something simular to control axa window openers. It is writen in dutch. If you need more explanation please ask via pm.
