Installs P1 Dongle Pro firmware

Connect the ESP device to your computer using a data transfer cable (usb micro).


!!! EnergyID version = NO MQTT option.

Dongles with water sensor:
- first generation: sensor logic outside the casing -> use Pro firmware; check watersensor in settings
- second generation: hexagonal casing -> use Pro firmware; after: use telnet/putty to connect and T3 [enter] to activate correct config.
- third generation: screw terminal for sensor -> use Pro+ (H2O) firmware


Select the firmware variant suitable for your device: