4x4 membrane keypad

Name: 4x4 membrane keypad
Brand: The Tech Depot
SKU: TTD-18051
Price: 38.95 INR
Availability: InStock

Rs. 38.95

Rs. 38.95 Rs. 77.90

TTD-18051

🚚 Delivery in 8–10 days

In stock

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Looking to buy 4x4 membrane keypad at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.

Add reliable user input to your microcontroller projects with this 4x4 membrane keypad. Featuring 16 tactile keys arranged in a compact matrix layout, this ultra-thin, self-adhesive keypad is ideal for password entry systems, menu navigation, calculators, and access control panels.

Specifications

Type	4x4 Matrix Membrane Keypad (16 Keys)
Key Labels	0-9, A-D, *, #
Interface	8-Pin Header (4 Rows + 4 Columns)
Operating Voltage	3.3V - 5V DC
Max Contact Rating	35V DC, 100mA
Contact Resistance	< 200Ohm
Insulation Resistance	> 100MOhm (at 100V DC)
Contact Bounce	< 5ms
Lifespan	1 Million+ presses per key
Operating Temperature	-20 degreesC to +50 degreesC
Dimensions	Approx. 69mm x 77mm x 0.8mm
Cable Length	Approx. 85mm with female pin header
Mounting	Self-adhesive backing
Compatibility	Arduino, ESP32, ESP8266, Raspberry Pi, STM32, PIC, and more
Origin	Original / Authentic

Why Choose 4x4 membrane keypad?

100% Authentic

GST Invoice - A GST invoice is included with every order.

Expert Support - Dedicated technical help on WhatsApp and email.

Pan-India Delivery - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.

Trusted by Makers - Used by students, hobbyists and professionals nationwide.

Key Features of 4x4 membrane keypad

16-Key Matrix Layout: Full alphanumeric input with digits 0-9 plus A, B, C, D, *, and # for versatile data entry.
Ultra-Thin & Flexible: Less than 1mm thick membrane construction fits flush against enclosures and panels without adding bulk.
Easy Matrix Scanning: Simple 8-pin row-column interface works seamlessly with Arduino's Keypad library - no complex wiring required.
Self-Adhesive Mounting: Peel-and-stick backing allows quick, tool-free installation on any flat surface or project enclosure.
Durable Construction: Rated for over 1 million key presses with reliable tactile feedback and low contact bounce.
Universal Compatibility: Works with 3.3V and 5V logic - compatible with Arduino Uno, Mega, Nano, ESP32, ESP8266, Raspberry Pi Pico, STM32, and virtually any microcontroller.
Female Pin Header Connector: Plugs directly into breadboards or male header pins for fast prototyping without soldering.

Perfect For

Door Lock / Access Control System: Build a password-protected electronic lock using the keypad with an Arduino and solenoid or servo motor for secure entry.
Arduino Calculator: Create a fully functional calculator by pairing the 4x4 keypad with a 16x2 LCD display for real-time computation and display.
Home Security Alarm Panel: Design an alarm system where users arm/disarm the security setup by entering a PIN code on the membrane keypad.
Menu Navigation Interface: Use the A-D keys for menu control and 0-9 for parameter input on LCD/OLED-based embedded systems and industrial HMIs.
DTMF Tone Generator: Generate dual-tone multi-frequency signals for telephony or remote control applications using the standard telephone-style key layout.
Vending Machine Controller: Implement product selection and quantity input for DIY vending or dispensing machines.
Student Learning & Lab Projects: Perfect for engineering coursework covering matrix scanning, GPIO multiplexing, interrupt-driven input, and embedded C programming.
IoT Device Configuration: Allow local parameter entry (Wi-Fi credentials, thresholds, device IDs) on ESP32/ESP8266-based IoT nodes without needing a smartphone app.