For this, just wire up the hardware (arduino+keypad) as described earlier. Although the code is an entry-level one, it includes a secret key option that will need to be entered on the keypad. The ...

If you want to add a keypad to your Arduino project ... though they will be open in the future. The code is already available for download on his website. Future plans include an LED to indicate ...

The keypad is driven by an Arduino Nano which has the start code stored in it. Power for the system is provided by a USB hub hidden behind the dash which he thinks will also come in handy with ...

Sure, building an Arduino project is one of the best ways to get yourself acquainted with using the board and writing the code. But what ... ultrasonic sensor, keypad), output (e.g., LED, DC ...