In ARDUINO we have 20 I/O pins, so we can program 20 pins of UNO to be used as either input or output. Although there are more pins on ATMEGA328P controller than on UNO, this is because while ...

Welcome to the Arduino UNO R3 Basic Projects repository! This collection contains a series of basic projects that can be implemented using the Arduino UNO R3 microcontroller board. 🚀 4 Digital 7 ...

How to Use an RGB LED Module Using the Digital Method This method only works on Arduino boards with a GND pin next to pin 13. Examples are the Uno, Duemilanove, Mega, and Leonardo. If you have an ...