Tasmota replacement for BL602, programming, pairing with Home Assistant, now with OTA working!

The discussion centers on a custom Tasmota-like firmware replacement for the BL602 platform by Bouffalo Lab, enabling integration with Home Assistant via MQTT. Key topics include flashing the firmware using USB to UART converters, SDK compilation, and device pairing. Users report successful flashing on MagicHome LED controllers (RGB, RGBW, single color) and Sonoff devices, with detailed guidance on GPIO pin identification and configuration for PWM and relay functions. MQTT integration supports commands for color, dimmer, hue, saturation, and device control, with ongoing improvements to MQTT topic naming, discovery, and feedback reporting. Challenges addressed include MQTT buffer limitations causing device instability, startup behavior with LED blinking, and the absence of OTA updates for BL602 (unlike Beken platforms). The firmware supports saving and restoring channel states, configurable MQTT reporting flags, and plans for Alexa Hue emulation. Users share troubleshooting steps for flashing errors, network connectivity, and device crashes, with developer responses including bug fixes, feature additions, and testing requests. The project emphasizes open-source collaboration, aiming to free IoT devices from manufacturer servers, enhance privacy, and unify multi-vendor ecosystems under a single firmware solution.
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