According to Massimo Banzi, co-founder and chairman of Arduino, the UNO R4 can be seen as a new chapter in the UNO story and the “perfect way to move forward, leveraging the latest available ...

"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 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 ...