This little guy, while simple in nature, acts as a fully functional (and portable) keypad on the go! It comes with two main programs, and it connects easily to your Arduino. It can be used to: 1 ...

Arduino-Safe-Servo-Matrix-Keypad Download the ZIP file and extract it on your computer, then open click on safe_and_servo.ino and your Arduino IDE should pop up, click upload and it should be good.

Arduino-Safe-Servo-Matrix-Keypad Download the ZIP file and extract it on your computer, then open click on safe_and_servo.ino and your Arduino IDE should pop up, click upload and it should be good.