The 4×1 Key Matrix Membrane Switch Keypad is a compact and lightweight keypad designed for user interface applications in embedded systems, microcontrollers, and automation projects. It features four tactile keys arranged in a single-row layout, making it ideal for menu navigation, password entry, or custom control functions. The flexible membrane design allows for easy integration into various electronic projects while ensuring durability and reliability.

Features of DC 12V 4×1 Key Matrix Membrane Switch Keypad:

1. 4-button matrix keypad with a single-row layout.
2. Thin, lightweight, and flexible design for easy installation.
3. Adhesive backing for secure mounting on surfaces.
4. Durable membrane construction for long-lasting use.
5. Easy interfacing with microcontrollers like Arduino, Raspberry Pi, and PIC.
6. Pre-attached 4-pin ribbon cable for quick connection.

Specifications of DC 12V 4×1 Key Matrix Membrane Switch Keypad:

• Operating Voltage: DC 12V
• Number of Keys: 4 (1×4 layout)
• Keypad Type: Membrane switch
• Connection Type: 4-pin ribbon cable
• Dimensions: 107mm × 20mm × 0.8mm
• Lifespan: Over 1 million keystrokes
• Operating Temperature: -20°C to 50°C

Package Includes:

1 × 4×1 Key Matrix Membrane Switch Keypad