The primary device should run a FanService that subscribes to heart rate data notifications in the bluetooth_receiver_service. With these values, the FanService should be able to properly output to configurable (config.txt) GPIO pins to active select (low) which relay circuits to enable.
The primary device should run a FanService that subscribes to heart rate data notifications in the bluetooth_receiver_service. With these values, the FanService should be able to properly output to configurable (config.txt) GPIO pins to active select (low) which relay circuits to enable.