Each of the 14 digital pins on the Arduino Uno can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead() functions. They operate at 5 volts. Each pin can provide or receive ...

The Arduino UNO R4 Minima comes equipped with the RA4M1 microprocessor from Renesas. Providing a power-packed performance and an array of extended capabilities, this robust microcontroller board is a ...