4×4 Matrix Membrane Keypad
The 4×4 Matrix Membrane Keypad is a compact and user-friendly input device designed for entering numeric values, commands, and control inputs in electronic and embedded system projects. Featuring 16 keys arranged in a 4-row and 4-column matrix configuration, this keypad provides a simple and efficient interface for microcontroller-based applications. Available at Directronics, the 4×4 Matrix Membrane Keypad is ideal for students, hobbyists, makers, educators, and professional engineers working on Arduino, IoT, robotics, security systems, and automation projects.
Features:
• 16 Keys Arranged in 4×4 Matrix Configuration
• Thin and Flexible Membrane Design
• 8-Pin Interface for Easy Connection
• No External Power Required
• Durable and Long-Lasting Key Operation
• Low Profile and Compact Design
• Easy Interface with Arduino, ESP32, ESP8266, Raspberry Pi, and Other Microcontrollers
• Supports Custom Key Mapping
• Simple Row and Column Scanning Method
• Ideal for Embedded Systems and Control Applications
Why Choose 4×4 Matrix Membrane Keypad?
• Provides an easy method for user input in electronic projects
• Saves microcontroller pins compared to individual switches
• Lightweight and compact for portable applications
• Easy programming with available keypad libraries
• Reliable performance for repeated key operations
• Suitable for beginners and advanced embedded projects
Applications:
• Password-Based Security Systems
• Digital Locks
• Calculator Projects
• Robotics Control Panels
• Home Automation Systems
• Industrial Control Interfaces
• IoT Device Input Systems
• Embedded System Development
• Arduino Projects
• DIY Electronics Projects
Technical Specifications:
• Key Configuration: 4 Rows × 4 Columns
• Total Keys: 16
• Interface Type: 8-Pin Connector
• Operating Voltage: 3.3V–5V
• Key Type: Membrane Push Button
• Contact Resistance: ≤100Ω
• Insulation Resistance: ≥100MΩ
• Operating Temperature: -20°C to 60°C
• Mounting Type: Adhesive Backing
Package Includes:
• 1 × 4×4 Matrix Membrane Keypad
Related Products:
Arduino Uno
Arduino Nano
ESP32 Development Board
ESP8266 NodeMCU
16x2 LCD Display
I2C Serial Interface Adapter Module
Relay Modules
Sensor Modules
Breadboards and Jumper Wires
Why Buy from Directronics?
Directronics provides quality development boards, input modules, sensors, electronic components, robotics modules, and IoT solutions for students, makers, educational institutions, startups, and industry professionals. Explore our complete range of Arduino, ESP32, ESP8266, Raspberry Pi, and embedded development products to bring your ideas to life.
Note: Product images are for illustration purposes only. Please review the specifications and compatibility requirements before placing your order.