Telegram: Control ESP32/ESP8266 Outputs (Arduino IDE)
This guide shows how to control the ESP32 or ESP8266 NodeMCU GPIOs from anywhere in the world using Telegram. As an example, we’ll control an LED, but you can control …
ESP32 Projects
Telegram: Request ESP32/ESP8266 Sensor Readings (Arduino IDE)
This guide shows how to request ESP32 or ESP8266 NodeMCU sensor readings using Telegram. As an example, we’ll request temperature and humidity readings from a BME280 sensor. You just need …
[SOLVED] Fix Arduino IDE ESP32 and ESP8266 Board Installation – Error Downloading URLs on Windows PC
If you’re having trouble compiling code for your ESP32 or ESP8266 boards using Arduino IDE due to an error downloading the boards’ URLs, you can follow this guide to help …
ESP32 IoT Shield PCB with Dashboard for Outputs and Sensors
In this project we’ll show you how to build an IoT shield PCB for the ESP32 and a web server dashboard to control it. The shield is equipped with a …
ESP32 Async Web Server – Control Outputs with Arduino IDE (ESPAsyncWebServer library)
In this tutorial you’ll learn how to build an asynchronous web server with the ESP32 board to control its outputs. The board will be programmed using Arduino IDE, and we’ll …
ESP32 HTTP POST with Arduino IDE (ThingSpeak and IFTTT.com)
In this guide, you’ll learn how to make HTTP POST requests using the ESP32 board with Arduino IDE. We’ll demonstrate how to post JSON data or URL encoded values to …
ESP32 HTTP GET with Arduino IDE (OpenWeatherMap.org and ThingSpeak)
In this guide, you’ll learn how to make HTTP GET requests using the ESP32 board with Arduino IDE. We’ll demonstrate how to decode JSON data from OpenWeatherMap.org and plot values …
ESP32/ESP8266 Web Server: Control Outputs with Timer
In this tutorial you’ll build a web server to control the ESP32 or ESP8266 NodeMCU outputs with a pulse using Arduino IDE. The pulse width (“timer”) can be adjusted using …
ESP32/ESP8266 Web Server HTTP Authentication (Username and Password Protected)
Learn how to add HTTP authentication with username and password to your ESP32 and ESP8266 NodeMCU web server projects using Arduino IDE. You can only access your web server if …
ESP-NOW with ESP32: Receive Data from Multiple Boards (many-to-one)
This tutorial shows how to set up an ESP32 board to receive data from multiple ESP32 boards via ESP-NOW communication protocol (many-to-one configuration). This configuration is ideal if you want …
ESP32/ESP8266: Control Outputs with Web Server and a Physical Button Simultaneously
This tutorial shows how to control the ESP32 or ESP8266 outputs using a web server and a physical button simultaneously. The output state is updated on the web page whether …
ESP32/ESP8266 Web Server: Control Outputs with Momentary Switch
This tutorial shows how to create a web server with a button that acts as momentary switch to remotely control ESP32 or ESP8266 outputs. The output state is HIGH as …
ESP-NOW with ESP32: Send Data to Multiple Boards (one-to-many)
In this tutorial, you’ll learn how to use ESP-NOW communication protocol to send data from one ESP32 to multiple ESP32 or ESP8266 boards (one-to-many configuration). The boards will be programmed …
ESP32 HTTP GET and HTTP POST with Arduino IDE (JSON, URL Encoded, Text)
In this guide, you’ll learn how to make HTTP GET and HTTP POST requests with the ESP32 board with Arduino IDE. We’ll cover examples on how to get values, post …