Tag Archives: Semaphore

ESP32 Arduino: PIR motion sensor and interrupts

In this tutorial we will check how to interact with a PIR motion sensor using an interrupt based approach, using the Arduino core running on the ESP32. The tests were performed using a DFRobot’s ESP32 module integrated in a ESP32 development board, and … Continue reading

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ESP32: FreeRTOS counting semaphores

The objective of this post is to provide an introduction to FreeRTOS  counting semaphores, using the ESP32 and the Arduino support.

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