Uploaded March 2018 | Updated September 2026, 2 weeks ago
Tutorial on how to get the Bluetooth device address on the Arduino core, using an IDF function.
Alternative implementation using only IDF functions here:
techtutorialsx.com/2018/03/09/esp32-arduino-getting-the-bluetooth-device-address
Format specifiers table:
en.cppreference.com/w/cpp/io/c/fprintf
Plenty of other ESP32 tutorials at my blog:
techtutorialsx.com/category/esp32
Tutorial on how to get the Bluetooth device address on the Arduino core, using an IDF function.
Alternative implementation using only IDF functions here:
techtutorialsx.com/2018/03/09/esp32-arduino-getting-the-bluetooth-device-address
Format specifiers table:
en.cppreference.com/w/cpp/io/c/fprintf
Plenty of other ESP32 tutorials at my blog:
techtutorialsx.com/category/esp32

![ESP32 - Controlling a buzzer [Demo]
Demo showing controlling a buzzer with the ESP32.
You can check a detailed written tutorial with full source code and electric diagram at my blog:
https://techtutorialsx.com/2017/07/01/esp32-arduino-controlling-a-buzzer-with-pwm/
Check more tutorials on the ESP32 and ESP8266 at my blog:
https://techtutorialsx.com/ ESP32 - Controlling a buzzer [Demo]](https://i.ytimg.com/vi/hnKIlx4Kkao/mqdefault.jpg)








