Hi @gpbenton, I have a question for you, how did you find out what commands are supported by the eTRV? I'm asking as I'm currently adding MIHO069 thermostat support to my MQTT client Achronite/mqtt-energenie-ener314rt#56 but the only commands I know could overwrite any manual 'button presses' on the device.

I've asked energenie too, but have not got anywhere yet...

I am not sure I ever tested what happens when the buttons are pressed on the device. From memory I can only remember one function that is available on the etrv, and that boosts the the set temperature by a degree, and I have never used that, as its easier to get my phone out and set the temperature there :)

I would suspect that the temperature boost would apply until the eTRV received a new set temperature command, but as I say, I haven't tested it.

Its been a while since I've looked at my code for this project, but I seem to remember that I have a queue of commands for each trv, and the command at the head of the list gets sent in the next window when the eTRV sends a message. I think I optimized the queue so that commands of the same type get overwritten by the late command, to avoid the queue getting long with different set temperature commands. I am a bit hazy, because its just been working and I haven't looked at it for a few years.

I should have been clearer, the commands I'm after are for the Thermostat not the eTRV. I'm looking for the command codes, such as THERMOSTAT_MODE=0xAA. How did you work them all out? Did you reuse other code or sniff the radio signals or something?

Ah, I don't have a thermostat, so I can't help you with that.