Convert Smart Wall Switch to ESPHome

Not all smart wall switch can be convert to ESPHome easily. SONOFF smart switch, you can convert it relatively easy since it has flash pin already on the PCB. I bought BARDI smart wall switch and unfortunately it doesn’t has flash pin already on the PCB.

It’s using TYWE3S chip, similar like ESP8266 chip. I am trying to flash it using direct solder to the chip and it still stuck while uploading firmware. Then i’m trying to remove chip from PCB and trying to flash it and it’s works.

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