The Arduino UNO ... Adhering to the UNO form factor, the UNO R4 Minima ensures hardware compatibility with its predecessors. This means that transitioning from the UNO R3 to the R4 Minima will ...

The new UNO R4 board comes in two versions, with and without Wi-Fi connectivity, and maintains the form factor, shield compatibility and 5V power supply of the UNO R3. The UNO R4 with its 96 red LED ...