If you want to add a keypad to your Arduino project, the options are pretty limited. There’s that red and blue 4×4 membrane we’ve all seen in password-protected door lock projects,… ...

I just don’t get this Arduino bashing. It’s a platform. End of story. It’s limited, it’s just a micro-controller, 8 bit and of an older generation, it’s mainly educational, so what?

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.