Arduino UNO R4 Minima and WiFi boards powered by a Renesas RA4M1 32-bit Arm Cortex-M4F microcontroller and equipped with an optional ESP32-S3 WiFI & BLE module are now available for respectively $20 ...

Our Smart Home Using Arduino Uno R4 WiFi project is designed for home safety and convenience, integrating temperature, humidity, light, and gas monitoring. Using sensors like DHT11/DHT22, LDR, and ...

Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi.

Someone has invented a way to add Wi-Fi to a standard Arduino Uno, by proposing a module that drops into the DIL socket normally reserved for the ATmega328 – it will not work with Unos that have a ...

This project is a test of using the Arduino Uno R4 WiFi to serve DHT22 sensor data over a simple website based on some modern web tools like TypeScript and Parcel.js. The firmware will read out the ...

Circuit Setup: Wire up the touch sensor module to the Arduino Uno as per the circuit setup section. Code Upload: Open the Arduino IDE and create a new sketch. Copy and paste the provided Arduino code ...

In this post, I am going to probe the components and compatibility of a cheapest Arduino Uno Wi-Fi board you can buy for your IoT projects. The UNO R3+WiFi (ATmega328P+ESP8266) board is an unofficial ...

The guys and gals at Arduino have just released the latest and greatest version of the Arduino Uno. The previous generation was called the R3, so it’s no great surprise that the new generation flaunts ...

The hardware is consists of an Arduino microcontroller (here an Arduino Uno R3) and a pre-wired soil moisture sensor module. The soil moisture sensor module , built around the LM393 comparator, gives ...

Wi-Fi version with Espressif module The R4 WiFi version comes with an Espressif ESP32-S3 module for Wi-Fi and Bluetooth Low Energy connectivity. The bright 12x8 red LED matrix is ideal for creative ...