Tag Archives: Arduino

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: 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 Arduino: PIR motion sensor

In this tutorial we will check how to use a PIR sensor to detect motion, using an ESP32 and the Arduino core. The tests were performed using a DFRobot’s ESP32 module integrated in a ESP32 development board, and a DFRobot’s PIR sensor module.

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Raspberry Pi 3 Flask: Receiving HTTP POST Request from ESP32

In this tutorial we will check how to setup a simple Flask server on the Raspberry Pi and send HTTP POST requests to it from the ESP32. Then, we will access the body of the request on the Raspberry Pi. … Continue reading

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Raspberry Pi Flask: Receiving HTTP GET Request from ESP32

In this tutorial we will check how to setup a very simple Flask server on the Raspberry Pi and send HTTP GET requests to it from an ESP32 running the Arduino core. This tutorial was tested on a Raspberry Pi 3 model … Continue reading

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ESP32 / ESP8266 Arduino: Conditional operator

In this tutorial we will analyze how to use the C++ conditional operator, also known as the ternary operator, on the Arduino core running both on the ESP32 and on the ESP8266. The tests on the ESP32 were performed using … Continue reading

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ESP32 / ESP8266 Arduino: Bitwise AND operator

In this guide, we will check how to use the bitwise AND operator on the Arduino core, running on the ESP32 and on the ESP8266. The tests on the ESP32 were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board. The tests on … Continue reading

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