ESP8266 NodeMCU with MFRC522 RFID Reader/Writer (Arduino IDE)
Learn how to interface the MFRC522 RFID reader module with the ESP8266 NodeMCU board. You’ll learn how to get raw RFID data, get the RFID card UID, and add personal …
ESP8266 Projects
ESP8266 NodeMCU OTA (Over-the-Air) Updates – ElegantOTA Library with Arduino IDE
This tutorial shows how to do OTA (over-the-air) updates to your ESP8266 NodeMCU boards using the ElegantOTA library (V3 version) with Arduino IDE. This library sets up a web server …
ESP8266 NodeMCU with an Anemometer: Measure Wind Speed (Arduino IDE)
In this guide, you’ll learn how to interface an anemometer with the ESP8266 NodeMCU board to measure wind speed. We’ll cover how to power and connect the sensor to the …
ESP8266 NodeMCU with NEO-6M GPS Module (Arduino IDE)
Learn how to interface the NEO-6M GPS module with an ESP8266 NodeMCU board to get GPS data. You’ll learn how to get latitude, longitude, altitude, speed, and UTC time. The …
Getting Started with ESP8266 NodeMCU Development Board
New to the ESP8266? Start here! The ESP8266 is a Wi-Fi System on a Chip (SoC) produced by Espressif Systems. It’s great for IoT and Home Automation projects. This article …
ESP8266 NodeMCU Web Server: Control a DC Motor (Arduino IDE)
In this guide, we’ll build a web server with the ESP8266 NodeMCU to control a DC motor remotely. The web server will serve a web page with buttons to make …
ESP8266 NodeMCU: Getting Started with InfluxDB
This guide will get you started quickly with InfluxDB using the ESP8266 board. InfluxDB is an open-source time series database (TSDB). So, it is ideal to store sensor data with …
ESP8266 NodeMCU with DC Motor and L298N Motor Driver – Control Speed and Direction (Arduino IDE)
Learn how to control the direction and speed of a DC motor using an ESP8266 NodeMCU board and the L298N Motor Driver. We’ll start by explaining how the L298N motor driver …
Arduino IDE 2: Install ESP8266 NodeMCU LittleFS Uploader (Upload Files to the Filesystem)
In this guide, you’ll learn how to install the ESP8266 LittleFS filesystem uploader plugin on Arduino IDE 2 (2.2.1 or higher) and how to upload files to the ESP8266 NodeMCU …
ESP8266 NodeMCU: Write Data to a File (LittleFS) – Arduino IDE
In this guide, you’ll learn how to write and save data permanently to a file saved on the ESP8266 filesystem (LittleFS). LittleFS is a lightweight filesystem created for microcontrollers that …
ESP8266 NodeMCU with RCWL-0516 Microwave Radar Proximity Sensor (Arduino IDE)
In this guide, you’ll learn how to use the RCWL-0516 Microwave Radar Proximity sensor to detect motion with the ESP8266 NodeMCU. We’ll show you how to wire the sensor to …
ESP8266 NodeMCU: 25 Free Guides for Sensors and Modules
There is a wide variety of sensors, modules, and peripherals compatible with the ESP8266 NodeMCU boards. We have tutorials for the most popular components. This article is a compilation of …
ESP8266 NodeMCU WebSocket Server: Display Sensor Readings
In this guide, you’ll learn how to create a WebSocket server with the ESP8266 NodeMCU board to display sensor readings on a web page. Whenever the ESP8266 has new readings …
ESP8266 NodeMCU Send Emails using an SMTP Server: HTML, Text, and Attachments (Arduino)
In this tutorial, you’ll learn how to send emails with the ESP8266 NodeMCU board using an SMTP server. We’ll show how to send an email with raw text, HTML text, …