ESP8266 NodeMCU Static/Fixed IP Address (Arduino IDE)
This tutorial shows how to set a static/fixed IP address for your ESP8266 NodeMCU board. If you’re running a web server or Wi-Fi client with your ESP8266 and every time …
ESP8266
Telegram: ESP8266 NodeMCU Motion Detection with Notifications (Arduino IDE)
This tutorial shows how to send notifications to your Telegram account when the ESP826 NodeMCU detects motion. As long as you have access to the internet in your smartphone, you’ll …
ESP-NOW with ESP8266: Receive Data from Multiple Boards (many-to-one)
This tutorial shows how to setup an ESP8266 board to receive data from multiple ESP8266 boards via ESP-NOW communication protocol (many-to-one configuration). This configuration is ideal if you want to …
ESP-NOW with ESP8266: 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 ESP8266 NodeMCU board to multiple ESP8266 boards (one-to-many configuration). The boards will be programmed …
ESP-NOW Two-Way Communication Between ESP8266 NodeMCU Boards
Learn how to establish a two-way communication between two ESP8266 NodeMCU boards using ESP-NOW communication protocol. As an example, two ESP8266 boards will exchange DHT sensor readings. We’ll use Arduino …
ESP8266 NodeMCU HTTP POST with Arduino IDE (ThingSpeak and IFTTT.com)
In this guide, you’ll learn how to make HTTP POST requests using the ESP8266 NodeMCU board with Arduino IDE. We’ll demonstrate how to post JSON data or URL encoded values …
ESP8266 NodeMCU HTTP GET with Arduino IDE (OpenWeatherMap.org and ThingSpeak)
In this guide, you’ll learn how to make HTTP GET requests using the ESP8266 NodeMCU board with Arduino IDE. We’ll demonstrate how to decode JSON data from OpenWeatherMap.org and plot …
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 …
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 …
MicroPython: MQTT – Publish DHT11/DHT22 Sensor Readings (ESP32/ESP8266)
Learn how to program the ESP32 or ESP8266 boards with MicroPython to publish DHT11 or DHT22 sensor readings (temperature and humidity) via MQTT to any platform that supports MQTT or …
ESP8266 NodeMCU 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 ESP8266 NodeMCU board with Arduino IDE. We’ll cover examples on how to get values, …
ESP8266 NodeMCU NTP Client-Server: Get Date and Time (Arduino IDE)
In this tutorial you’ll learn how to get date and time from an NTP server using the ESP8266 NodeMCU with Arduino IDE. Getting date and time is useful in data …