Description

Easy-to-use 16-button membrane keypad for Arduino, ESP32, Raspberry Pi, and DIY electronics projects. This 4×4 matrix keypad provides a compact and reliable input solution for password locks, calculators, access control systems, menus, and interactive projects.

🔹 Features

✅ 16 tactile keys (0-9, A-D, *, #)
✅ 4×4 matrix design
✅ Thin and lightweight membrane construction
✅ Self-adhesive backing for easy mounting
✅ Simple interface with microcontrollers
✅ Flexible ribbon cable connection
✅ Durable and responsive keys

🔹 Specifications

• Key Layout: 4×4 Matrix
• Number of Keys: 16
• Interface: 8-pin ribbon cable
• Type: Membrane Keypad
• Operating Voltage: Compatible with 3.3V and 5V systems
• Dimensions: Approx. 70 × 77 mm
• Cable Length: Approx. 85 mm

📦 Package Includes

• 1 × 4×4 Matrix Keypad Membrane Switch (16 Keys)

🔧 Applications

🔐 Electronic door locks
🤖 Robotics projects
🧮 DIY calculators
📟 Menu navigation systems
🏠 Home automation
🎓 Arduino & ESP32 learning projects