Tag Archives: Buzzer

ESP32 Arduino: Alarm with PIR motion sensor and buzzer

In this tutorial we will check how to create a very simple alarm system with a buzzer and a PIR motion sensor. We will be using the Arduino core, running on the ESP32. The tests were performed using a DFRobot’s ESP32 module integrated … Continue reading

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ESP32 Arduino: Controlling a buzzer with PWM

The objective of this code is to explain how to control a buzzer with the ESP32, using its PWM functionalities. In particular, we are going to use ESP32’s LED PWM functions.

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ESP8266: Controlling a buzzer

The objective of this post is to explain how to control a passive buzzer module using an ESP8266.

Posted in Electronics, ESP8266, Microcontrollers | Tagged , , , , , | 5 Comments