ESP32 Arduino Serial over Bluetooth: Client disconnection event

In this tutorial we will check how to detect the client disconnection event when using the Bluetooth Serial library of the Arduino core, running on the ESP32. The tests were performed using a DFRobot’s ESP32 module integrated in a ESP32 development board.

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ESP32 Arduino Bluetooth Classic: Controlling a relay remotely

In this tutorial we will check how to control a relay remotely using serial communication over Bluetooth Classic. The tests of this ESP32 tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board and a DFRobot relay board.
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