Tag Archives: ESP32

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 JavaScript Espruino: String interpolation

In this tutorial we will check how to perform string interpolation in Espruino running on the ESP32. The tests were performed using a DFRobot’s ESP32 module integrated in a ESP32 development board.

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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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