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 …
In this tutorial you’ll learn how to get date and time from an NTP server using the ESP8266 NodeMCU with Arduino IDE. Getting date and time is useful in data …
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 ESP8266 NodeMCU board with Arduino …
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 …
The ESP32-CAM is a development board with an ESP32-S chip, an OV2640 camera, a microSD card slot, and several GPIOs to connect peripherals. In this guide, we’ll take a look …
This guide shows how to change the ESP32-CAM OV2640 camera settings such as contrast, brightness, resolution, quality, saturation and more using Arduino IDE. The instructions in this tutorial work for …
In this article, we’ll show you how you can use ESP-NOW to exchange data between ESP8266 NodeMCU boards programmed with Arduino IDE. ESP-NOW is a connectionless communication protocol developed by …
In this project, you’ll build an ESP32 / ESP8266 Thermostat Web Server with an input field to set a temperature threshold value. This allows you to automatically control an output …
The ESP32-CAM AI-Thinker development board can be programmed using Arduino IDE. This guide shows how to program and upload code to the ESP32-CAM (AI-Thinker) development board using Arduino IDE. The …
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 …
This guide shows how to get the ESP32 or ESP8266 NodeMCU boards MAC Address using Arduino IDE. We also show how to change your board’s MAC Address. What’s a MAC …
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 …