4x4 Membrane Keypad Matrix – 16 Key with 8-Pin Ribbon Cable

4x4 Membrane Keypad Matrix – 16 Key

A compact and lightweight 4x4 membrane keypad perfect for Arduino, Raspberry Pi, and other microcontroller projects. With 16 keys arranged in a 4-row by 4-column matrix, this keypad provides an easy and cost-effective way to add user input to your embedded systems.

Key Features

• 16 Keys: Numeric keys (0–9), special keys (*, #), and function keys (A, B, C, D)
• Matrix Configuration: 4 rows × 4 columns (R1–R4, C1–C4) for efficient pin usage
• 8-Pin Ribbon Cable: Flexible flat cable with standard 2.54mm pitch connector for easy breadboard or header connection
• Includes Header Pins: 8-pin male header included for direct breadboard use
• Thin & Flexible: Ultra-thin membrane design, easy to mount on panels or enclosures
• Plug & Play: Compatible with Arduino, Raspberry Pi, STM32, ESP32, and most microcontrollers

Specifications

• Type: Membrane Keypad
• Layout: 4×4 Matrix (16 keys)
• Keys: 0–9, A, B, C, D, *, #
• Interface: 8-pin ribbon cable (R1, R2, R3, R4, C1, C2, C3, C4)
• Connector Pitch: 2.54mm
• Operating Voltage: 3.3V – 5V
• Material: Polyester membrane
• Color: Black with blue & red keys

Ideal for PIN entry systems, menu navigation, calculators, and DIY electronics projects.

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