All you need is an Arduino Uno, an Adafruit 2.8″ TFT Touch Shield, and a penchant for World War II technology. Thanks to the relatively high-resolution touch screen, [Mark] was able to develop a ...

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 ...