Sonoff RF 433MHz Bridge R2 - How to flash ESPHome on this new RF bridge?

[francisp (Francis)]

New Sonoff RF Bridge Board - Need Flashing Help

Hi everyone, I appear to have a new version of the Sonoff RF bridge board, R2 v2.2, which has a different configuration than past versions. While I was able to flash Tasmota using this guide: https://tasmota.github.io/docs/devices/Sonoff-RF-Bridge-433/ I was not able to figure out which pins to connect, or whether I need to cut any lines (I would prefer not to, but will if I have to), in order to flash Portisch. Any help that could be provided would be greatly appreciated, and we could use an…

You can’t flash portish on the new bridge, but Tasmota works fine.