Some libraries that are optimised for the AVR architecture used in the original Arduinos, such as the Uno R3, may need to be ported to the Renesas architecture. Arduino intends to provide a public ...

"The railgun's electronics are based around an Arduino Uno R3 [circuit board] which monitors the capacitor voltage, amperage, temperature and battery voltage to ensure even charging and operation ...

Arduino, the world's leading open-source hardware and software platform, today announced the launch of its next-generation UNO board, a significant re ...

Arduino has partnered with Renesas and Espressif to introduce the latest addition to its UNO family, the UNO R4, which offers a 3x performance improvement over the UNO R3 and is available in a Wi-Fi ...

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 ...

Two new variants of the Arduino Uno development board, the lightweight Uno R4 Minima and the full-fledged Uno R4 WiFi, are each powered by a 32-bit microcontroller. These next-generation Uno boards ...

Arduino UNO R4 “In details, the new Arduino UNO R4 features the Renesas RA4M1 (Arm Cortex-M4) running at 48MHz, which provides a 3x increase over the UNO R3.

The 16u2 is normally used as the Arduino Uno’s USB interface. The only external hardware needed is a single 120 ohm resistor. The original Apples had cassette and speaker interfaces.