It's programmed using the Arduino IDE, so most of the sketches ... lighter microcontroller boards, such as a drone and bionic hands. The Nano is significantly lighter than the Uno, so its weight ...

Want to make one for your desk? All it takes is an Arduino Nano R3 or comparable microcontroller, an RGB LED ring with 12 LEDs, a 16×2 LCD, a buzzer, and a momentary push button switch.

Apart from understanding the Arduino's code language ... so you can only use smaller sketches with this board compared to the Nano. The main advantage of the ATmega32U4 is that it can communicate ...