Arduino or ESP8266?

Found my idea at: [HOWTO] BUVA Boxstream Mechanical ventilation hack Maybe that is already working for you. (Thanks to Niels De Klerk)

Made some adaptions for this module :slight_smile:

HomeyDuino can only control 1 switch per device, therefore I used an alternative control methode.
Can be easy controlled in a flowcard by:

image

You have to flash new firmware into the ESP8266