Assemble the Circuit: Follow the circuit diagram to connect the keypad, 7-segment displays, CD4511 decoders, and the 74HC595 shift register on the breadboard, and then to the Arduino. Secure ...

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 ...

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.