Learn how to use ESP-NOW to exchange data between ESP32 boards programmed with Arduino IDE. ESP-NOW is a connectionless communication protocol developed by Espressif that features short packet transmission. This …
This is a getting started guide for the TTGO T-Journal ESP32 Camera Development Board. The TTGO T-Journal features an OV2640 camera, an OLED display, several GPIOs to connect peripherals and …
This guide shows how to setup an HTTP communication between two ESP32 boards to exchange data via Wi-Fi without an internet connection (router). In simple words, you’ll learn how to …
Using a relay with the ESP32 or ESP8266 is a great way to control AC household appliances remotely. This tutorial explains how to control a relay module with the ESP32 …
Using a relay with the ESP32 is a great way to control AC household appliances remotely. This tutorial explains how to control a relay module with the ESP32. We’ll take …
Learn how to take photos with the ESP32-CAM board and save them to a microSD card using Arduino IDE. When you press the ESP32-CAM RESET button, it wakes up, takes …
In this project we’re going to build an IP surveillance camera with the ESP32-CAM board. The ESP32 camera is going to host a video streaming web server that you can …
This article is a quick getting started guide for the ESP32-CAM board. We’ll show you how to setup a video streaming web server with face recognition and detection in less …
In this tutorial we’ll show you how to use Wi-Fi Manager with the ESP32 using MicroPython firmware. Wi-Fi Manager allows you to connect your ESP32 to different Access Points (different …
In this project, you’ll build a sensor monitoring system using a TTGO LoRa32 SX1276 OLED board that sends temperature, humidity and pressure readings via LoRa radio to an ESP32 LoRa …
Learn how to build a web server with the ESP32-CAM board that allows you to send a command to take a photo and visualize the latest captured photo in your …
The TTGO LoRa32 SX1276 OLED is an ESP32 development board with a built-in LoRa chip and an SSD1306 0.96 inch OLED display. In this guide, we’ll show you how to: …
In this tutorial, we’ll show you how to build an Auto Power Off circuit (Latching Power Circuit) on a custom PCB, which is extremely useful to save power in your …
The ESP32 has two I2C bus interfaces that can serve as I2C master or slave. In this tutorial we’ll take a look at the I2C communication protocol with the ESP32 …