HKD 3×4 Membrane Keypad with 7-Pin Ribbon Connector - Flexible & Compact

The HKD 3×4 Membrane Keypad is a compact and flexible input solution for microcontroller projects, DIY electronics, and numeric control applications. Featuring 12 buttons arranged in a 3×4 matrix, this keypad allows precise numeric input with a responsive tactile feel.

It comes with an adhesive backing for easy mounting on flat surfaces and a 7-pin ribbon cable for simple connection to Arduino, Raspberry Pi, or other microcontroller boards. Its slim and lightweight design makes it ideal for portable projects, custom controllers, and embedded systems where space is limited.

Features:

• 3×4 matrix membrane keypad for numeric input (12 buttons).
• 7-pin ribbon connector for easy microcontroller interfacing.
• Adhesive backing allows mounting on flat surfaces.
• Slim, lightweight, and flexible design for DIY projects.
• Fast response and reliable tactile feedback.

Specifications:

• Vibration Resistance: Max 20g
• Rebound Time: 1 ms
• Key Operating Force: 150-200N
• Key Emboss Height: 0.6-1.5 mm
• Circuit Rating: 35V DC, 100 mA, 1 W
• Contact Resistance: 10-500
• Weight: 7.5 g
• Dimensions: 70 mm × 77 mm × 1 mm
• Cable/Connector Length: 85 mm
• Applications: DIY numeric input, microcontroller projects, portable control panels, embedded systems

The HKD 3×4 Membrane Keypad combines compact design, durability, and ease of use, making it a versatile input device for a wide range of electronic projects.

What's in the box
1 x HKD 3×4 Membrane Keypad with 7-Pin Ribbon Connector - Flexible & Compact