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 …
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 …
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 …
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 …
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, …
In this guide, you’ll learn how to send ESP8266 notifications to Pushover. Pushover is a notification service that integrates with many applications. You can send push notifications to all of …
This quick guide provides instructions on how to erase the ESP8266 NodeMCU flash memory to restore it to its original state. We’ll be using a tool called esptool.py. Restoring the …
In this guide, you’ll learn how to make HTTPS requests with the ESP8266 NodeMCU board. We’ll introduce you to some HTTPS fundamental concepts and provide several examples: HTTPS requests without …
In this guide, you’ll learn how to send messages to your WhatsApp account with the ESP8266 NodeMCU board. This can be useful to receive notifications from the ESP8266 with sensor …
In this guide, you’ll learn how to control the ESP8266 GPIOs from anywhere using Firebase. We’ll create nodes on the Firebase Realtime Database to save the current GPIO states. Whenever …
In this tutorial, you’ll learn how to create a scale with the ESP8266 NodeMCU using a load cell and the HX711 amplifier. First, you’ll learn how to wire the load …
In this tutorial, you’ll learn how to install the ESP8266 LittleFS Filesystem Uploader Plugin in your Arduino IDE to upload files to the ESP8266 NodeMCU filesystem. If you want to …
In this guide, you’ll learn how to use a TDS meter (Total Dissolved Solids) with an ESP8266 NodeMCU board. A TDS meter indicates the total dissolved solids like salts, minerals, …
In this guide, you’ll learn how to read temperature using a K-Type Thermocouple with the MAX6675 amplifier with the ESP8266 NodeMCU board. A K-type thermocouple is a type of temperature …