This tutorial shows how to set up 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 …
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 …
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 …
Learn how to program the ESP32 or ESP8266 boards with MicroPython to publish DHT11 or DHT22 sensor readings (temperature and humidity) via MQTT to any platform that supports MQTT or …
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 …
This guide shows additional functions to control an OLED display with MicroPython using the ESP32 or ESP8266. You’ll learn how to scroll the entire screen horizontally and vertically and how …
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 …
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 …
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 …
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 …
Learn how to request date and time from an NTP Server using the ESP32 with Arduino IDE. Getting date and time is useful in data logging projects to timestamp readings. …
ESP32 development boards with camera are becoming popular with the maker community. There are different models of ESP32 Camera boards with different features. Each ESP32 Camera dev board uses different …
The ESP32-CAM comes with an on-board Wi-Fi antenna, but it also has an IPEX connector if you want to use an external antenna. Using an external antenna can solve problems …