Keypad Input: Use a 4x4 matrix keypad for data entry and menu navigation. LCD Display: View input data, messages, or system status on a 16x2 LCD display. Interactive Interface: Respond to user inputs ...

The LCD keypad shield is a commonly used accessory for Arduino boards that provides a 16x2 character LCD and a keypad for user input. This project adapts the shield for use with the PYNQ-Z2 by ...

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

Makers and developers that enjoy creating projects using the Arduino platform may be interested in a new shield for Arduino that incorporates an LCD JEMshield++, keypad and enclosure all in one.

[Kaushlesh Chandel] prototyped a few projects on his Arduino that use an HD44780 Character LCD. Wanting to keep these projects in one piece, but not sacrifice his Arduino board, so he etched his ow… ...