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.

LUGANO, Switzerland--(BUSINESS WIRE)--Arduino, the world's leading open-source hardware and software platform, today announced the launch of its next-generation UNO board, a significant revision ...

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas microcontroller and Espressif ESP32-S3 module, one-click cloud connectivity and plenty of I/O plus a 12×8 red LED ...

Arduino has announced the new UNO R4 board family for prototyping and learning. The new models feature a faster microcontroller, a USB-C connector, improved power, Wi-Fi and Bluetooth LE, and more.

The Arduino UNO R4 Minima comes equipped with the RA4M1 microprocessor from Renesas. Providing a power-packed performance and an array of extended capabilities, this robust microcontroller board ...

As the Uno Rev3 only has 14 digital I/O pins and six analog input pins, it's best suited for projects not requiring too many components. Most of the built-in examples in the Arduino IDE software ...

The Arduino Nano and Uno are equipped with very similar processors (the chip that essentially serves as the brain of the board). The Nano features an ATmega328, while the Uno sports an ATmega328P.