4X4 Membrame Keypad

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SKU: R3-D-14

4X4 Membrame Keypad

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₹50.00 (Excluded Tax)

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Overview
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Overview

The 4×4 Membrane Keypad is a compact, flexible, and user-friendly input device that allows students and hobbyists to interact with Arduino, Raspberry Pi, ESP32, or STM32 projects. With 16 keys arranged in a 4×4 matrix, it’s ideal for password input, numeric entry, menu navigation, and custom control interfaces in hands-on STEM labs.

Key Features

Layout: 4×4 matrix (16 keys)
Flexible membrane design: Thin, lightweight, and durable
Easy to interface: Connects directly to microcontrollers via 8 digital pins
Voltage Compatibility: 3.3–5 V logic (safe for Arduino/ESP32/STM32)
Applications: Robotics, keypads for security projects, educational electronics kits, STEM experiments

Technical Specifications

Feature	Specification
Rows	4
Columns	4
Number of Keys	16
Operating Voltage	3.3–5 V DC
Logic Level	TTL compatible
Pin Interface	8 pins (4 rows + 4 columns)
Dimensions	~80 × 80 mm (typical)
Material	Flexible membrane with printed conductive traces
Life Cycle	>100,000 key presses