🔌 Elevate Your Projects with a Touch of Innovation! Weighs only 10 grams for effortless portability. Compact dimensions fit any project setup. Compatible with Arduino, AVR, and Raspberry Pi. Perfect for DIY projects and prototyping! 16 keys for versatile input options. Ultra Lightweight (10g) Compact Size (1.6 x 0.4 x 0.3 cm) 16 Key Functionality The Matrix 4 x 4 Array 16 Key Membrane Switch Keypad is a lightweight and compact input solution designed for seamless integration with popular microcontrollers like Arduino, AVR, and Raspberry Pi. With its 16 key functionality, this keypad is perfect for DIY enthusiasts and professionals looking to enhance their projects.