PhilipTS

Out of curiosity I Googled for Logic Analyzer and I could NOT believe what I found !!! SparkFun USB Logic Analyzer ... 20 Euros ... 20 Euros for an 8...

Will be careful, Thanks for the warning. I might also try something else when I find some time. I downloaded the Tuya SDK and it has an MCU emulator. so...

@fraintt A repeat with until and a random delay !!! Very nice ... very very nice ... this was my first automation and I see I have much to learn...

@AlbertWeterings The emulator approach was not very helpful. I could not figure out a way to connect the WBR3 module to my WiFi network. I would only get the same...

when you send a deviceOn = false you are turning off the thermostat as if you were pressing the on/off button. The ESP module send a command to the MCU...

@ThomasVon2021 maybe in a next HW revision you could implement the fan control (PWM) like it is in the HATv3? As the fan was to loud I cut a piece...