ESP8266 NodeMCU Web Server with Slider: Control LED Brightness (PWM)
This tutorial shows how to build an ESP8266 NodeMCU web server with a slider to control the LED brightness. You’ll learn how to add a slider to your web server …
ESP8266
ESP8266 NodeMCU: BME680 Environmental Sensor using Arduino IDE (Gas, Pressure, Humidity, Temperature)
The BME680 is an environmental digital sensor that measures gas, pressure, humidity and temperature. In this guide you’ll learn how to use the BME680 sensor module with the ESP8266 NodeMCU …
ESP8266 NodeMCU Web Server with BME680 – Weather Station (Arduino IDE)
This tutorial shows how to build a web server weather station with the ESP8266 NodeMCU to display sensor readings from the BME680 environmental sensor: gas (air quality), temperature, humidity and …
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 …
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 …