Flashing OpenBK7231N Firmware on BSEED 3G Wall Switch (T34 Tuya Module)

This is topic for 3Gang version, see 1 gang version here

The image shows a 3G switch, but the pins are the same (1G, 2G, 3G, Curtain), above 1G you have to lift the button, it is glued, to access the Rx and Tx Pins (P10 P11).


If you have issues, please swap Rx/Tx connections


1. Open BK7231Flasher e select your com Port.

2. Select your BIN file (BK7231N) and flash.

3. When it shows that it's waitin for CEN, remove the 3,3V jumper cable and then reconnect. (without removing the TTL Serial adaptaer from USB)

4. The flash should start and after about 20 secs it's finished.

Module Configuration

Thanks, I've added a link to 1 gang version to the post, because this at first confused me and I assumed it may a duplicate, while it's not. It's just a 3G version of previous switch:
https://www.elektroda.com/rtvforum/topic4057517.html

https://github.com/OpenBekenIOT/webapp/pull/119

No need to tear off the white pad.
You can prick with a needle from the backside of the circuit board into the corresponding soldering eyes.


I flashed multiple of them this week, without any soldering.