4x3 Matrix Membrane Keypad
The 4x3 Matrix Membrane Keypad is a compact and reliable input device designed for entering numeric values, commands, and user inputs in electronic and embedded system projects. Featuring 12 keys arranged in a 4-row and 3-column matrix configuration, this keypad provides a simple and efficient interface for microcontroller-based applications. Available at Directronics, the 4x3 Matrix Membrane Keypad is ideal for students, hobbyists, makers, educators, and professional engineers working on Arduino, IoT, robotics, security systems, and automation projects.
Features:
• 12 Keys Arranged in 4×3 Matrix Configuration
• Thin and Flexible Membrane Design
• 7-Pin Interface for Easy Connection
• No External Power Required
• Durable and Long-Lasting Key Operation
• Lightweight 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 4x3 Matrix Membrane Keypad?
• Provides an easy method for user input in electronic projects
• Requires fewer microcontroller pins compared to individual switches
• Compact design suitable for space-limited applications
• Easy programming with keypad libraries
• Reliable performance for frequent key operations
• Suitable for beginners and advanced embedded projects
Applications:
• Password-Based Security Systems
• Digital Lock Projects
• Calculator Applications
• 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 × 3 Columns
• Total Keys: 12
• Interface Type: 7-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 × 4x3 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.