The Nano, just as its name suggests, is the smaller board between the two, and interestingly, also the tiniest ever produced by Arduino. It comes in a light seven-gram weight, with dimensions of ...

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, one of the most confusing parts about the platform — especially for beginners — is picking the right board to use in a project. Sure, it ...