ESP8266 NodeMCU with Firebase – Creating a Web App
This guide will teach you how to create a simple Firebase Web App to control and monitor your ESP8266 NodeMCU board. The Web App you’ll create can be accessed worldwide …
ESP8266
ESP8266 NodeMCU Door Status Monitor with Email Notifications (IFTTT)
In this project, you’re going to monitor the status of a door using an ESP8266 NodeMCU board and a magnetic reed switch. You’ll receive an email notification whenever the door changes state: opened …
ESP8266 NodeMCU: Getting Started with Firebase (Realtime Database)
Get started quickly with Firebase using the ESP8266 NodeMCU board. Firebase is Google’s mobile application development platform that includes many services to manage data from IOS, Android, or web applications. …
ESP8266 NodeMCU with Stepper Motor (28BYJ-48 and ULN2003 Motor Driver)
In this guide, you’ll learn how to control a stepper motor with the ESP8266 NodeMCU board. We’ll use the 28BYJ-48 unipolar stepper motor with the ULN2003 motor driver. We’ll program …
ESP8266 NodeMCU WebSerial: Web-based Remote Serial Monitor
In this guide, you’ll learn how to create and use a web-based “Serial Monitor” for your ESP8266 NodeMCU projects using the WebSerial library. This creates a web-based interface to output …
ESP8266 NodeMCU with HC-SR04 Ultrasonic Sensor with Arduino IDE
This guide shows how to use the HC-SR04 Ultrasonic Sensor with the ESP8266 NodeMCU board using the Arduino core. The ultrasonic sensor uses sonar to determine the distance to an …
ESP8266 NodeMCU with BMP388 Barometric/Altimeter Sensor (Arduino IDE)
The BMP388 is a tiny and precise absolute barometric pressure sensor. Because of its precision, it is often used to estimate altitude in drone applications. It can also be used …
ESP8266 NodeMCU Publish Sensor Readings to ThingSpeak (easiest way)
In this guide, you’ll learn how to send sensor readings with the ESP8266 NodeMCU board to ThingSpeak. For demonstration purposes, we’ll use a BME280 sensor, but you can easily modify …
ESP8266 NodeMCU Web Server (WebSocket) with Multiple Sliders: Control LEDs Brightness (PWM)
This tutorial shows how to build a web server with the ESP8266 NodeMCU board that displays a web page with multiple sliders. The sliders control the duty cycle of different …
Installing ESP8266 NodeMCU Board in Arduino IDE 2 (Windows, Mac OS X, Linux)
There is a new Arduino IDE—Arduino IDE 2. In this tutorial, you’ll learn how to install the ESP8266 boards in Arduino IDE 2.X and upload code to the board. This …
ESP8266 NodeMCU Plot Sensor Readings in Charts (Multiple Series)
This project shows how to build a web server with the ESP8266 NodeMCU board to plot sensor readings in charts with multiple series. As an example, we’ll plot sensor readings …
ESP8266 NodeMCU Setting a Custom Hostname (Arduino IDE)
By default, the hostname of an ESP8266 NodeMCU board is ESP-XXXXXX where the Xs represents the last six characters of its MAC address. In this tutorial, you’ll learn how to …
[SOLVED] Reconnect ESP8266 NodeMCU to Wi-Fi Network After Lost Connection
This quick guide shows different ways to reconnect the ESP8266 NodeMCU board to a Wi-Fi network after a lost connection. This can be useful if the ESP8266 temporarily loses the …
ESP8266 NodeMCU OTA (Over-the-Air) Updates – AsyncElegantOTA (VS Code + PlatformIO)
In this guide, you’ll learn how to do over-the-air (OTA) updates to your ESP8266 NodeMCU boards using the AsyncElegantOTA library and VS Code with PlatformIO. The AsyncElegant OTA library creates …