In this project you’ll learn how to control your ESP32 or ESP8266 GPIOs from anywhere in the world. This can be very useful to control a relay, a thermostat, or …
CONTINUE READING »Control ESP32 and ESP8266 GPIOs from Anywhere in the World
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 …
CONTINUE READING »ESP32 Client-Server Wi-Fi Communication Between Two Boards
Build a cloud weather station dashboard to visualize your ESP32 or ESP8266 sensor readings from anywhere in the world. You’ll see your sensor data displayed on gauges and on a …
CONTINUE READING »DIY Cloud Weather Station with ESP32/ESP8266 (MySQL Database and PHP)
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 …
CONTINUE READING »ESP32 Relay Module – Control AC Appliances (Web Server)
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 …
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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 …
CONTINUE READING »ESP32-CAM Video Streaming Web Server (works with Home Assistant)
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 …
CONTINUE READING »ESP32-CAM Video Streaming and Face Recognition with Arduino IDE
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 …
CONTINUE READING »ESP32 LoRa Sensor Monitoring with Web Server (Long Range Communication)
After releasing some projects with the ESP32-CAM, some readers reported issues when trying to use the ESP32-CAM. This guide is a compilation with the most common errors when using the …
CONTINUE READING »ESP32-CAM Troubleshooting Guide: Most Common Problems Fixed
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: …
CONTINUE READING »TTGO LoRa32 SX1276 OLED Board: Getting Started with Arduino IDE
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 …
In this project you’ll build an ESP32 or ESP8266 client that makes an HTTP POST request to a PHP script to send an email notification with sensor readings. You can …
CONTINUE READING »ESP32/ESP8266 Send Email Notification using PHP Script
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 …
The ESP32 chip comes with 48 pins with multiple functions. Not all pins are exposed in all ESP32 development boards, and there are some pins that cannot be used.