Category Archives: ESP32

ESP32 Arduino HTTP server: Template processing

Posted on July 22, 2018 by antepher

In this tutorial we will check how to use the template processing features of the async HTTP webserver libraries for the ESP32. The tests were performed using a DFRobot’s ESP32 module integrated in a ESP32 development board. Advertisements

Posted in ESP32 | Tagged Arduino, asynchronous HTTP, ESP32, HTML, HTTP webserver, template processing | 3 Comments

ESP32 Arduino: Alarm with PIR motion sensor and buzzer

Posted on July 8, 2018 by antepher

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 →

Posted in ESP32 | Tagged Alarm system, Arduino, Buzzer, Duty Cycle, ESP32, Interrupts, ISR, LEDC, motion sensor, PIR, PWM | 2 Comments

ESP32 Arduino: PIR motion sensor and interrupts

Posted on July 8, 2018 by antepher

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 →

Posted in ESP32 | Tagged Arduino, ESP32, FreeRTOS, Interrupts, ISR, motion sensor, PIR, Semaphore | 1 Comment

ESP32 Arduino: PIR motion sensor

Posted on July 1, 2018 by antepher

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.

Posted in ESP32 | Tagged Arduino, ESP32, infrared, motion sensor, PIR, pyroelectric sensor | 1 Comment

Raspberry Pi 3 Flask: Receiving HTTP POST Request from ESP32

Posted on June 21, 2018 by antepher

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 →

Posted in ESP32, Raspberry Pi | Tagged Arduino, ESP32, Flask, HTTP, Internet of Things, IoT, Machine to Machine, POST, Python, Raspberry Pi 3, Raspbian | Leave a comment

Raspberry Pi Flask: Receiving HTTP GET Request from ESP32

Posted on June 16, 2018 by antepher

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 →

Posted in ESP32, Raspberry Pi | Tagged Arduino, ESP32, Flask, HTTP GET, Internet of Things, IoT, Machine to Machine, Python, Raspberry Pi 3, Raspbian | 3 Comments

ESP32 JavaScript Espruino: String interpolation

Posted on June 15, 2018 by antepher

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.

Posted in ESP32 | Tagged ESP32, Espruino, Javascript, string, string interpolation, Template literal | Leave a comment