Makers, hobbyists and electronic enthusiasts searching for a project to keep them busy this weekend may be interested in a new DIY custom mechanical keypad complete with TFT LCD display ...

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 ...

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, ...

While [Tony’s] example uses the keypad, Arduino Uno, and a character LCD, the theory can be applied to numerous projects, such as this Dahlander motor switch. As you see, state machines can be ...

Want your Arduino project to be able to play sounds ... your smartphone’s display to emulate a switch, slider, keypad, or LCD display without you actually having to wire anything up.

To link a standard 16×2 LCD directly with the microcontroller, for instance Arduino, you would need atleast 6 I/O pins to talk to the LCD. However, if you use an LCD module with I2C interface, you ...

LCD keypad combines HID smart card reader, access control and alarm keypad in one Pacom Systems' new reader will work as an access control pad and alarm keypad and will read HID iClass cards.

A new pre-assembled front panel, the VP4546, integrates a graphic LCD module with a customizable keypad. Targeted at low-volume user-interface applications such as instrumentation and medical ...