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Relay board, controllable by MQTT protocol from HomeAssistant switch object

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agirilovich/switch_by_mqtt

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relay board with NO/NC dry switch, that managed by mqtt message from HomeAsisstant 'switch' object

Alhough there are many great solutions based on ESP32 controller, my goal is to build it on RTL8720CF (AmebaZ2/ZII Series) board.

Used modules

  • BW15 board.
  • 5V -> 3.3V linear voltage regulator
  • USB -> TTL adapter for flashing

Some features

  • Auto-discovery is used for automatic configuration of switch object in HomeAssistant

Device schematic

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Relay board, controllable by MQTT protocol from HomeAssistant switch object

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