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 …
CONTINUE READING »ESP-NOW Two-Way Communication Between ESP8266 NodeMCU Boards
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 …
CONTINUE READING »ESP8266 NodeMCU HTTP POST with Arduino IDE (ThingSpeak and IFTTT.com)
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 …
CONTINUE READING »ESP8266 NodeMCU HTTP GET with Arduino IDE (OpenWeatherMap.org and ThingSpeak)
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. …
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 …
CONTINUE READING »ESP8266 NodeMCU MQTT – Publish DS18B20 Temperature Readings (Arduino IDE)
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 using MicroPython firmware. We’ll create an …
CONTINUE READING »MicroPython: ESP32/ESP8266 Relay Module Web Server (AC Appliances)
In this tutorial you’ll build a web server to control the ESP32 or ESP8266 NodeMCU outputs with a pulse using Arduino IDE. The pulse width (“timer”) can be adjusted using …
CONTINUE READING »ESP32/ESP8266 Web Server: Control Outputs with Timer
Learn how to add HTTP authentication with username and password to your ESP32 and ESP8266 NodeMCU web server projects using Arduino IDE. You can only access your web server if …
CONTINUE READING »ESP32/ESP8266 Web Server HTTP Authentication (Username and Password Protected)
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 …
CONTINUE READING »ESP8266 NodeMCU MQTT – Publish BME280 Sensor Readings (Arduino IDE)
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 …
CONTINUE READING »ESP32/ESP8266 Relay Module Web Server using Arduino IDE (1, 2, 4, 8, 16 Channels)
This tutorial shows how to control the ESP32 or ESP8266 outputs using a web server and a physical button simultaneously. The output state is updated on the web page whether …
Learn how to program the ESP32 or ESP8266 boards with MicroPython to publish DS18B20 temperature readings via MQTT to any platform that supports MQTT or any MQTT client. As an …
CONTINUE READING »MicroPython: MQTT – Publish DS18B10 Temperature Readings (ESP32/ESP8266)
This tutorial shows how to create a web server with a button that acts as momentary switch to remotely control ESP32 or ESP8266 outputs. The output state is HIGH as …
CONTINUE READING »ESP32/ESP8266 Web Server: Control Outputs with Momentary Switch
Learn how to program the ESP32 or ESP8266 boards with MicroPython to publish BME280 sensor readings (temperature, humidity and pressure) via MQTT to any platform that supports MQTT or any …
CONTINUE READING »MicroPython: MQTT – Publish BME280 Sensor Readings (ESP32/ESP8266)
