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, ...

Engineer, creator and tech journalist Jeremy Cook based in Tampa Florida has created a small mechanical keypad ... Arduino-programmable ATMega32U4 Pro Micro (clone) the mechanical key bad can ...

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 ...

Accountants, number crunchers, developers and others that need a quick entry programmable keypad, may be worth checking out the new LemKey 10-Key. The programmable keypad has launched via ...