To check the version, I open the box, it is an RF R2 Power V1.0 1920

I weld the connectors

It’s very classic with the Sonoffs, I soda here 4 connectors (pink here)

I connect the FDTI232 to the 4 connectors

Rx and Tx is always an adventure, the connection below works but if you have any problems, I know you have to reverse the orange and yellow wires.

I install the ESP Home integration

Here I connect the USB jack of the FTDI232, Please note that I press the 2s button when connecting USB to put the module into programming mode.

I unplug and then reconnect the USB connector.

If the WiFi configuration is not proposed, I will reconnect and go to:

I close web.esphome.io, back in Home assistant, ESP Home tab, the device has arrived.

I add the link between ESPHome and HA

The easiest way is to go through notifications

I can rename it.

The device and its update entity shall be installed.

Examples of using flashed ESP

• I domotise my portal
• I integrate a ZMAi-90 Energy Monitor with Home Assistant via ESP Home