An Arduino Nano controls two relays which in turn can turn the car on, start it, and turn it off. Instead of adding a button for “push to start” he opted for a 13.56MHz RFID module.

Making objects interactive doesn’t have to be overwhelming—the best Arduino starter kit will help you begin.

To make your rides safer, check out this voice-controlled turn signal light for your bike. This helpful bike attachment is designed to recognize when the rider says the words "left" or "right." ...