Preserving the standard form factor, shield compatibility and 5 V power supply of the popular UNO R3, the UNO R4 adds a 32-bit microcontroller with up to 16x the clock speed, memory and flash ...

In the press statement accompanying the launch, Massimo Banzi, co-founder and chairman at Arduino, said that the UNO R4 represents a new chapter to the UNO story, commenting, “With the ever-changing ...