Rather than just being a simple 3×3 keypad, his includes a small screen ... check out this gorgeous Arduino-powered version, or this far more utilitarian version. Both are almost entirely 3D ...

we decided to skip the boring numbered keypad and build a custom RGB backlit keypad powered by an Arduino. Instead of typing in numbers, your password is a unique set of colors. In today’s How ...

The DIY mechanical custom keypad is perfect for those who have ... The system is equipped with a small Arduino Pro Micro development board on which the Arduino software uses the OneButton Library ...

connect to the column C1-C3 pinouts of the keypad Next is a project example, where the Arduino is instructed to do something based on a correct key (secret number) being entered into the keypad, ...

Watch the video below to learn more about his Arduino-based portable keypad that connects to your Arduino development board and offers the complete alphabet, numbers 0-9 as well as several commands.