I managed to modify the D_AirQuality1.json file to display the value from V_VAR1 on the Device with the Lable CO2. Here it is incase someone wants it: D_AirQuality1.json

@ryanbrown204 temperature: https://www.mysensors.org/build/temp Motion: https://www.mysensors.org/build/motion See the first post in this thread for the modifications Konrad did.

Sorry, no. Realised modern phones BT goes into sleep mode which means they don't announce themselves for longer periods. Kind of made it meaningless for the application.