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.   Introduction In this tutorial we will check how to control a relay remotely using serial communication over Bluetooth Classic. …

ESP32 Arduino Serial over Bluetooth: Receiving data

In this tutorial we will check how to receive data on a serial connection operating 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.   Introduction In this tutorial we will check how to receive data on a serial connection operating over Bluetooth classic. This tutorial …

ESP32 Bluetooth: Advertising a SPP service with SDP

The objective of this post is to explain how to advertise a SPP service running on the ESP32 with SDP. The tests of this ESP32 tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board. Introduction The objective of this post is to explain how to advertise a SPP service running on the ESP32 with SDP. …

ESP32 Bluetooth: Receiving data through RFCOMM

The objective of this post is to explain how to send data to the ESP32 using the Bluetooth RFCOMM protocol. The tests of this tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board. Introduction The objective of this post is to explain how to send data to the ESP32 using the Bluetooth RFCOMM protocol. …