My apartment has the shutters/blinds controlled via a trio of wall-mounted button panels. Here's my experience of integrating them into Home Assistant for automation and remote control. Steps: Identify the control units Buy the remote unit or reverse engineer the control signals Build a firmware for NodeMCU (ESP8266) based on ESPHome Result I've kept the intrusion to a minimum so they can be reverted without any traces: Home-Assistant panel with the three blinds actions: Control Unit The button panels have Elero stamped on them so the first thing was to go to the manufacturer's website and search for a product: https://www.elero.de/de/produkte/jalousiesteuerungen/ The closest match seemed to be Elero VarioTec, not sure at this point if it supports remote control or not (spoiler: it doesn't).
Electronics and programming interspersed at various levels of difficulty.