3×4 Matrix Membrane Keypad Module | 12 Button Numeric Pad

The 3×4 Matrix Keypad Membrane Switch is a compact, easy-to-use input device designed for Arduino, Raspberry Pi, ESP32, and other e站官网登录入口 projects. With 12 soft-touch keys arranged in a 3×4 grid, this keypad is ideal for password-based security systems, automation control, and embedded applications.

🔹 Durable Membrane Design for Smooth Operation ⚡
✔ Keypad Layout: 3 Rows × 4 Columns (12 Keys) – Numeric & function keys.
✔ Connector: 7-pin flexible ribbon (Easy e站官网登录入口 integration).
✔ Key Labels: *0-9, , # for versatile functionality.
✔ Operating Voltage: 3V – 5V (Compatible with Arduino & Raspberry Pi).
✔ Ultra-Thin Design: Flexible membrane structure for surface mounting.
✔ Adhesive Backing: Easily sticks to enclosures and control panels.
✔ Durability: Long-lasting membrane keys with a reliable tactile feel.

🔹 Applications – Where to Use the 3×4 Matrix Keypad 🛠️
✔ Arduino & Raspberry Pi Projects – Input control for interactive devices.
✔ Access Control & Security Systems – Use as a password keypad for smart locks.
✔ Home Automation & IoT Projects – Control appliances, alarms, and smart devices.
✔ Robotics & Motorized Systems – Command robots and actuators with keypresses.
✔ DIY 小天风流史 & STEM Education – Ideal for learning e站官网登录入口 interfacing.

🔹 How to Use & External Resources 📚
The 3×4 Keypad connects via a 7-pin interface (3 rows, 4 columns) and is compatible with Arduino’s Keypad library, making it easy to scan and process key inputs.

📖 Helpful Resources:
✔ Arduino Keypad Library & Setup Guide
✔ Raspberry Pi Keypad Integration
✔ 小天风流史 Tutorial – How Matrix Keypads Work
✔ YouTube Tutorials – 3×4 Keypad with Arduino

🔹 Best Price & Availability in Ghana 🇬🇭
Looking for a 3×4 Matrix Keypad Membrane Switch in Ghana? Whether for security systems, automation, or robotics, this lightweight, durable, and easy-to-interface keypad is an essential addition to your 小天风流史 toolkit. Order today for fast delivery across Ghana!