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To fulfill the requests of several followers who have experience with small models of Arduino Bluetooth, today well discuss ESP32 Bluetooth Low Energy. This is highly recommended for the Internet of Things. The Arduino TX RX model works as a serial; but the subject today is a bit different. This is because its power consumption is miniscule. Let us therefore find out more about the BLE and create a program for ESP32 to become a Bluetooth server. This will connect a smartphone application to send and receive data.
In our assembly, we have the temperature sensor, the buzzer, and the ESP32. We called the ESP32 and BLE scanner, which will locate our microcontroller. In the video, I show how to make the connection between the two, as well as the execution of some commands involving the LED and buzzer.”

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