The 4x4 Matrix Membrane Switch Keypad is a reliable and durable input device designed for Arduino, ESP32, Raspberry Pi, and microcontroller projects. With 16 keys (4x4 layout), this keypad allows you to build password systems, menu navigation, automation controls, robotics, and DIY electronics projects.

This keypad features long life span (over 1 million presses), low-profile design, and easy integration with microcontrollers. Its adhesive backing allows quick mounting on flat surfaces, making it ideal for compact and professional project enclosures.

✅ Features & Specifications:

Circuit Rating: 35V DC, 100mA, 1W

Contact Resistance: 10Ω – 500Ω

Insulation Resistance: ≥100MΩ at 100V

Dielectric Strength: 250V RMS (50–60Hz, 1 min)

Operating Pressure: 170 – 397g

Key Travel: 0.6 – 1.5mm

Rebound Time: ≤5ms

Life Span: ≥1 million operations

Operating Temperature: -40°C to +80°C

Applications: Arduino password lock, DIY robotics, smart home control panels, industrial automation projects.

📦 Package Includes:

1 x 4x4 Membrane Switch Keypad