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 …
CONTINUE READING »Telegram: Control ESP32/ESP8266 Outputs (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 …
CONTINUE READING »Telegram: Request ESP32/ESP8266 Sensor Readings (Arduino IDE)
Learn how to make HTTP POST requests using the ESP32-CAM board with Arduino IDE to send photos to a server. We’ll show how to post a JPG/JPEG image to a …
CONTINUE READING »ESP32-CAM Post Images to Local or Cloud Server using PHP (Photo Manager)
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 …
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 …
CONTINUE READING »ESP32 IoT Shield PCB with Dashboard for Outputs and Sensors
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 …
In this project you’ll learn how to host an ESP32 web server and use ESP-NOW communication protocol at the same time. You can have several ESP32 boards sending sensor readings …
CONTINUE READING »ESP32: ESP-NOW Web Server Sensor Dashboard (ESP-NOW + Wi-Fi)
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 …
CONTINUE READING »ESP32 HTTP POST with Arduino IDE (ThingSpeak and IFTTT.com)
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 …
CONTINUE READING »ESP32 HTTP GET with Arduino IDE (OpenWeatherMap.org and ThingSpeak)
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 …
CONTINUE READING »ESP32/ESP8266 Web Server: Control Outputs with Timer
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 …
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This tutorial shows how to setup 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 to …
CONTINUE READING »ESP-NOW with ESP32: Receive Data from Multiple Boards (many-to-one)
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 …
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 …
CONTINUE READING »ESP32/ESP8266 Web Server: Control Outputs with Momentary Switch