This little article is designed to help you get started with your new microcontroller + keypad project so let’s start. Following figure shows the internal structure and pin notation of the 3×4 keypad ...

Bringing women into technical education at times seems to be an insurmountable challenge. As a counter, a small drawing robot created ... Another version of the Arduino should work without any ...

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 ...

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.