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AVATTO WT20R Thermostat custom firmware?

rcrack2k (Michael Rack) December 23, 2025, 4:16pm 8

AVATTO Tuya WiFi Smart Knob Thermostat Temperature Controller For Water Gas Boiler Electric Heating ESPHome

Device AVATTO Tuya WiFi Smart Knob Thermostat Temperature Controller For Water Gas Boiler Electric Heating Works With Alexa Google Home It contains CBU chip. [pcb] I flashed it with LibreTiny & esphome by connect RX,TX,GND to USB <> TTL UART convertor. DataPoints ID with brief description / spec: { "1":"Switch", "2":"Mode" enum ["auto","manual"], "3":"Set temperature" { "unit": "℃", "min": 5, "max": 45, "scale": 0, "step": 1}, "17":"Set temperature _F", "23":"Temperature…

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