ESP32-CAM AI-Thinker Pinout Guide: GPIOs Usage Explained
The ESP32-CAM is a development board with an ESP32-S chip, an OV2640 camera, microSD card slot and several GPIOs to connect peripherals. In this guide, we’ll take a look at …
ESP32
Change ESP32-CAM OV2640 Camera Settings: Brightness, Resolution, Quality, Contrast, and More
This guide shows how to change the ESP32-CAM OV2640 camera settings such as contrast, brightness, resolution, quality, saturation and more using Arduino IDE. The instructions in this tutorial work for …
ESP32 Email Alert Based on Temperature Threshold (change values on web server)
Learn how to send an email alert with the ESP32 based on a temperature threshold. The ESP32 also hosts a Web Server that shows the latest sensor readings and input …
ESP32/ESP8266 Thermostat Web Server – Control Output Based on Temperature
In this project, you’ll build an ESP32 / ESP8266 Thermostat Web Server with an input field to set a temperature threshold value. This allows you to automatically control an output …
How to Program / Upload Code to ESP32-CAM AI-Thinker (Arduino IDE)
The ESP32-CAM AI-Thinker development board can be programmed using Arduino IDE. This guide shows how to program and upload code to the ESP32-CAM (AI-Thinker) development board using Arduino IDE. The …
ESP-NOW Two-Way Communication Between ESP32 Boards
In this guide, we’ll show you how to establish a two-way communication between two ESP32 boards using ESP-NOW communication protocol. As an example, two ESP32 boards will exchange sensor readings …
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 …
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 …