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 …
ESP8266 NodeMCU MQTT – Publish DHT11/DHT22 Temperature and Humidity Readings (Arduino IDE)
Learn how to publish temperature and humidity readings from a DHT11 or DHT22 sensor via MQTT with the ESP8266 NodeMCU to any platform that supports MQTT or any MQTT client. …
ESP8266 NodeMCU MQTT – Publish DS18B20 Temperature Readings (Arduino IDE)
Learn how to publish DS18B20 temperature readings via MQTT with the ESP8266 (NodeMCU) to any platform that supports MQTT or any other MQTT client. As an example, we’ll publish sensor …
MicroPython: ESP32/ESP8266 Relay Module Web Server (AC Appliances)
This tutorial is a step-by-step guide that covers how to build a standalone ESP32 or ESP8266 NodeMCU Web Server that controls any relay module using MicroPython firmware. We’ll create an …
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 …
ESP8266 NodeMCU MQTT – Publish BME280 Sensor Readings (Arduino IDE)
Learn how to publish BME280 sensor readings (temperature, humidity and pressure) via MQTT with the ESP8266 to any platform that supports MQTT or any MQTT client. As an example, we’ll …
ESP32/ESP8266 Relay Module Web Server using Arduino IDE (1, 2, 4, 8, 16 Channels)
This tutorial is a step-by-step guide that covers how to build a standalone ESP32 or ESP8266 NodeMCU Web Server that controls any relay module. We’ll create an ESP32/ESP8266 Web Server …
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 …
MicroPython: MQTT – Publish DS18B20 Temperature Readings (ESP32/ESP8266)
Learn how to program the ESP32 or ESP8266 boards with MicroPython to publish DS18B20 temperature readings via MQTT to any platform that supports MQTT or any MQTT client. As an …
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 …