Get ESP32/ESP8266 MAC Address and Change It (Arduino IDE)
This guide shows how to get the ESP32 or ESP8266 NodeMCU boards MAC Address using Arduino IDE. We also show how to change your board’s MAC Address. What’s a MAC …
ESP32
Getting Started with ESP-NOW (ESP32 with Arduino IDE)
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 …
TTGO T-Journal ESP32 Camera: Built-in Programmer, OLED, Antenna and Project Examples
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 …
ESP32 Client-Server Wi-Fi Communication Between Two Boards
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 …
MicroPython: Relay Module with ESP32/ESP8266 (Guide + Web Server)
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 …
ESP32 Relay Module – Control AC Appliances (Web Server)
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 …
ESP32-CAM Take Photo and Save to MicroSD Card
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 …
ESP32-CAM Video Streaming Web Server (works with Home Assistant)
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 …
ESP32-CAM Video Streaming and Face Recognition with Arduino IDE
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 …
MicroPython: Wi-Fi Manager with ESP32 (ESP8266 compatible)
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 …
ESP32 LoRa Sensor Monitoring with Web Server (Long Range Communication)
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 …
ESP32-CAM Take Photo and Display in Web Server
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 …
TTGO LoRa32 SX1276 OLED Board: Getting Started with Arduino IDE
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: …
EXTREME POWER SAVING (0µA) with Microcontroller External Wake Up: Latching Power Circuit
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 …