The Arduino UNO R4 boasts a 3x performance increase over the UNO R3 and , in addition, SRAM has been upgraded from 2kB to 32kB, and flash memory from 32kB to 256kB to support more complex projects.

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.

The Elektor design from a few years ago was essentially an "evolved" take on the Arduino Uno R3 board, with an identical form factor as the Uno but based on the ATmega328PB-AU (see the "B"). As ...

Massimo Banzi, co-founder and chairman of Arduino, announced the UNO R4 during Arduino Day 2023. He believes the UNO R4 is a new chapter in the UNO story and the perfect way to move forward, ...

Open source hardware platform maker Arduino officially announced on Monday two updated 32-bit versions of its globally popular UNO R3 development board, one equipped with Wi-Fi and Bluetooth BLE, ...

The Arduino Uno R4 is to have a Renesas RA4M1 32-bit Arm Cortex-M4 microcontroller, and there are “no plans to discontinue the popular Uno R3” , according to Arduino, which estimates that R4 will ...