Tag Archives: Duty Cycle

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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ESP8266: Using the PWM technique

The objective of this post is to explain how to use the Pulse Width Modulation (PWM) technique with the ESP8266 and the main differences of the implementation comparing with the Arduino.

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