[Pierre] recently bought his first car and decided to make his own RFID electric starter for it! An Arduino Nano controls two relays which in turn can turn the car on, start it, and turn it off.

If you're on the hunt for the perfect board, then you've probably come across the Uno and Nano. They're two of the most frequently used Arduino variations, but they serve different purposes.

For instance, many smartwatch users choose an analog face to show the time, and modern cars with digital dashboards ... in this case an Arduino Nano. Whereas a typical scale would then simply ...