16 Key 4 X 4 Switch Keypad Membrane for Arduino, ARM and other MCU

Premium quality keypad module from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, expert support.

Product Overview

The 16 Key 4x4 Switch Keypad Membrane is an essential input device for microcontroller projects. This matrix keypad features 16 tactile switches arranged in a 4x4 grid, making it ideal for creating custom control interfaces, security systems, calculators, and interactive embedded applications.

Key Features

• 16 Tactile Switches - Responsive, reliable button inputs
• 4x4 Matrix Configuration - Easy multiplexing with minimal GPIO pins
• Membrane Technology - Durable and dust-resistant design
• Universal Compatibility - Works with Arduino, ARM, PIC, and all standard MCUs
• Low Power Consumption - Minimal current draw
• Compact Design - Space-efficient for embedded projects

Technical Specifications

Parameter	Details
Type	Electronics Component
Configuration	4x4 Matrix Keypad
Number of Keys	16
Interface	8-Pin Connector (4 Row + 4 Column)
Contact Material	Gold-plated for reliability
Operating Voltage	3.3V - 5V DC
Lifespan	1+ Million key presses
Dimensions	Compact form factor
Origin	Original/Authentic
Warranty	7-day warranty on manufacturing defects
Support	Email & WhatsApp 24/7

Why Choose This Product?

100% Authentic - Sourced from trusted authorized distributors

Fast Shipping - 1-5 day shipping, 7-8 day delivery from Bengaluru warehouse

Expert Support - Full technical guidance included

Reliable Quality - Tested and verified before dispatch

Cost-Effective - Best value for money

Bulk Discounts - Available on wholesale orders

Applications & Project Ideas

DIY & Hobbyist Projects

• Custom control panels
• Game controllers
• Music synthesizers
• Home automation interfaces

Educational & Learning

• Microcontroller training
• Embedded systems learning
• Arduino project development
• Student skill development

Professional & Industrial

• Security alarm keypads
• Industrial control systems
• Access control devices
• Commercial equipment interfaces

Specific Project Examples

• Calculator - Build a functional calculator with LCD display
• Door Lock System - Create a PIN-based access control
• Robot Control - Command interface for robotics projects
• Menu Navigation - UI for smart devices and appliances

What's Included in the Box

• 1x 16 Key 4x4 Switch Keypad Membrane module
• Pin header connector
• Quick start guide with pinout diagram
• Sample Arduino/embedded code (where applicable)
• Technical documentation
• Support contact information

How to Use

1. Connect to MCU - Wire the 8 pins (4 rows + 4 columns) to GPIO pins
2. Load Keypad Library - Use Arduino Keypad library or custom code
3. Configure Matrix - Define row and column pins in your code
4. Map Keys - Assign functions to each of the 16 keys
5. Integrate - Combine with your project logic

Compatibility

• Arduino - Uno, Nano, Mega, Due
• ARM Microcontrollers - STM32, LPC, etc.
• Other MCUs - PIC, AVR, 8051, and similar platforms
• Development Boards - Raspberry Pi (with GPIO), BeagleBone, etc.

Frequently Asked Questions

Is this 100% authentic?

Yes, absolutely. All products are sourced from authorized distributors with complete authentication verification. We guarantee original components.

What warranty is provided?

7-day warranty on manufacturing defects covering all manufacturing defects, mechanical failures, and non-responsive keys. Covers parts and technical support.

How fast is the shipping?

1-5 day shipping, 7-8 day delivery to most locations in India from our Bengaluru warehouse. Express options available for urgent orders.

Do you provide technical support?

Yes, complete technical support is available 24/7 via email and WhatsApp. Our engineers can help with wiring, coding, and troubleshooting.

What's your return policy?

7-day money-back guarantee on defective items. Full refund or replacement available with applicable on manufacturing defects only.

Are bulk discounts available?

Yes, wholesale pricing is available on orders of 10+ units. Contact us for custom quotes on larger quantities.

Can I use this with Raspberry Pi?

Yes, with GPIO configuration. We provide guidance on proper interfacing and recommended libraries.

What's the key lifespan?

Each key is rated for 1+ million presses, ensuring long-term reliability for continuous use applications.

Do you provide sample code?

Yes, Arduino sketches and example code are provided. Full documentation helps you get started quickly.

Is this suitable for commercial products?

Absolutely. The keypad is reliable enough for industrial and commercial applications with proper integration.

Customer Support

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Buy 16 Key 4 X 4 Switch Keypad Membrane for Arduino, ARM and other MCU Online in India

Purchase the 16 Key 4 X 4 Switch Keypad Membrane for Arduino, ARM and other MCU online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on 16 Key 4 X 4 Switch Keypad Membrane for Arduino, ARM and other MCU with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.

Looking to buy 16 Key 4 X 4 Switch Keypad Membrane for Arduino, ARM and other MCU at the best price in India? The Engineer Store 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.