This combo pack includes a 16x2 LCD Display Module and a 4x4 Membrane Keypad, perfect for Arduino, Raspberry Pi, and other microcontroller-based projects. The 16x2 LCD module provides a clear display of characters and data, making it ideal for voltage monitoring, sensor output display, or text-based interfaces. The 4x4 Membrane Keypad offers 16 keys (0–9, A–D, *, #), making it easy to provide user input in DIY electronics, robotics, security systems, and automation projects. Both components are lightweight, durable, and easy to interface with microcontrollers, making them a must-have for students, hobbyists, and professionals.