Feit PLUG3WIFIWP2 Teardown & OpenBeken Flashing Guide with CB2S BK7231N Module

The Feit PLUG3/WIFI/WP/2 was found at a local liquidation store, however, I don't know the original retailer. Upon teardown, inspection reveals use of the CB2S/BK7231N module. Attempts at flashing the module in-circuit were unsuccessful using either GUI or CLI flashers. I desoldered the module from the main PCB with the typical flux and desoldering braid, and flashed using an FTDI-uart adapter, no separate 3v3 was used. I successfully flashed six plugs this way to firmware 1.17.762.

pin 6 is input button to control relay
pin 8 is output from CB2S to relay.

Hey, what about WiFi LED? Can you also share full OBK JSON Template, so we can add this device to our devices list here: https://openbekeniot.github.io/webapp/devicesList.html

>>21287151

The documentation says the LED is to indicate "pairing" status, which implies Bluetooth. I configured it on pin 7 so it indicates the status of the relay.

Template attached, hope this helps someone. Thanks!

Hello. Nice find getting this at a liquidation store!

Would you mind sharing a backup of the unpaired factory Tuya firmware?