In this project you’ll learn how to host an ESP32 web server and use ESP-NOW communication protocol at the same time. You can have several ESP32 boards sending sensor readings …
CONTINUE READING »ESP32: ESP-NOW Web Server Sensor Dashboard (ESP-NOW + Wi-Fi)
In this guide, you’ll learn how to make HTTP POST requests using the ESP32 board with Arduino IDE. We’ll demonstrate how to post JSON data or URL encoded values to …
CONTINUE READING »ESP32 HTTP POST with Arduino IDE (ThingSpeak and IFTTT.com)
In this guide, you’ll learn how to make HTTP GET requests using the ESP32 board with Arduino IDE. We’ll demonstrate how to decode JSON data from OpenWeatherMap.org and plot values …
CONTINUE READING »ESP32 HTTP GET with Arduino IDE (OpenWeatherMap.org and ThingSpeak)
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)
This tutorial shows how to setup an ESP32 board to receive data from multiple ESP32 boards via ESP-NOW communication protocol (many-to-one configuration). This configuration is ideal if you want to …
CONTINUE READING »ESP-NOW with ESP32: Receive Data from Multiple Boards (many-to-one)
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 …
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
In this tutorial you’ll learn how to use ESP-NOW communication protocol to send data from one ESP32 to multiple ESP32 or ESP8266 boards (one-to-many configuration). The boards will be programmed …
CONTINUE READING »ESP-NOW with ESP32: Send Data to Multiple Boards (one-to-many)
In this guide, you’ll learn how to make HTTP GET and HTTP POST requests with the ESP32 board with Arduino IDE. We’ll cover examples on how to get values, post …
CONTINUE READING »ESP32 HTTP GET and HTTP POST with Arduino IDE (JSON, URL Encoded, Text)
Learn how to publish temperature and humidity readings from a DHT11 or DHT22 sensor via MQTT with the ESP32 to any platform that supports MQTT or any MQTT client. As …
CONTINUE READING »ESP32 MQTT – Publish DHT11/DHT22 Temperature and Humidity Readings (Arduino IDE)
Learn how to publish BME280 sensor readings (temperature, humidity and pressure) via MQTT with the ESP32 to any platform that supports MQTT or any MQTT client. As an example, we’ll …
CONTINUE READING »ESP32 MQTT – Publish BME280 Sensor Readings (Arduino IDE)
In this getting started guide you’ll learn how to read digital inputs like a button switch and control digital outputs like an LED using the ESP32 with Arduino IDE. Prerequisites …
CONTINUE READING »ESP32 Digital Inputs and Digital Outputs (Arduino IDE)
Learn how to publish DS18B20 temperature readings via MQTT with the ESP32 to any platform that supports MQTT or any other MQTT client. As an example, we’ll publish sensor readings …
CONTINUE READING »ESP32 MQTT – Publish DS18B20 Temperature Readings (Arduino IDE)
