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OpenBeken

Open-source replacement firmware (Tasmota/ESPHome-like) for BK7231 and many other chips found in cheap smart devices.

software also known as OpenBK7231T_App, OBK

Knowledge about OpenBeken

Replacing Tuya firmware: check the chip first. tuya-convert only fits old ESP-based deviceswarning · unverified · tuya-convert only flashes ESP82xx-based devices and newer firmware is patched. Many current Tuya devices use Beken BK7231 or Realtek chips: use tuya-cloudcutter (unpatched firmware only), OpenBeken, or ESPHome via LibreTiny, often via serial flashing. Never open or flash a device while it is connected to mains power.

Related

alternative to: ESPHome – Replacement firmware options for Tuya hardware; OpenBeken covers more non-ESP chips.