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 …
90+ Arduino Projects, Tutorials and Guides The Arduino is a microcontroller board that you can program to read information from the world around you and to send commands to the …
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 …
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. …
In this guide, we’ll show you how to establish a two-way communication between two ESP32 boards using ESP-NOW communication protocol. As an example, two ESP32 boards will exchange sensor readings …
Learn how to use ESP-NOW to exchange data between ESP32 boards programmed with Arduino IDE. ESP-NOW is a connectionless communication protocol developed by Espressif that features short packet transmission. This …
This is a getting started guide for the TTGO T-Journal ESP32 Camera Development Board. The TTGO T-Journal features an OV2640 camera, an OLED display, several GPIOs to connect peripherals and …
This guide shows how to setup an HTTP communication between two ESP32 boards to exchange data via Wi-Fi without an internet connection (router). In simple words, you’ll learn how to …
Can you believe that 2019 is over? It’s hard to believe that another year has just passed by so quickly and that Random Nerd Tutorials is almost 7 years old! …
Using a relay with the ESP32 is a great way to control AC household appliances remotely. This tutorial explains how to control a relay module with the ESP32. We’ll take …