The Arduino Nano Connector Carrier is a compact add-on board designed for the Arduino Nano boards to allow easy connection to ...

The Arduino ... module with two external 8-ohm 4-watt speakers and a built-in volume knob. To control the playback, there are four push buttons connected to the Nano. You can use them to switch ...

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.