4x4 Keypad Switch 16 Key Matrix Membrane Type Keyboard
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The 4x4 Membrane Keypad is a compact, lightweight, and easy-to-use input device featuring 16 tactile keys arranged in a 4-row by 4-column matrix. It is ideal for microcontroller projects requiring user input, such as Arduino, Raspberry Pi, ESP8266, and other embedded systems. The thin, flexible design allows for seamless integration into a variety of projects.
Features:
- 16-Key Matrix (4 Rows × 4 Columns) for versatile input options.
- Ultra-Thin Membrane Design, lightweight and durable.
- Adhesive Backing for easy mounting on surfaces.
- Tactile, Soft-Press Buttons for comfortable operation.
- 4-Pin Ribbon Cable for simple connectivity.
- Compatible with Microcontrollers like Arduino, Raspberry Pi, ESP8266, ESP32, PIC, AVR, and STM32.
- Weather-Resistant Surface for enhanced durability.
Specifications:
- Total Keys: 16 (4x4 matrix)
- Circuit Type: Membrane switch
- Operating Voltage: 3.3V – 5V
- Number of Pins: 8 (4-row, 4-column matrix)
- Keypad Dimensions: ~77mm x 70mm
- Cable Length: ~85mm
- Connector Type: 8-pin female ribbon connector
- Material: Plastic with conductive ink circuit
- Operating Temperature: -20°C to +50°C
- Key Press Life: Over 1 million presses
Wiring Configuration (Pinout):
- Pin 1-4 → Rows (R1, R2, R3, R4)
- Pin 5-8 → Columns (C1, C2, C3, C4)
Key Mapping (Matrix Layout):
| C1 | C2 | C3 | C4 | |
|---|---|---|---|---|
| R1 | 1 | 2 | 3 | A |
| R2 | 4 | 5 | 6 | B |
| R3 | 7 | 8 | 9 | C |
| R4 | * | 0 | # | D |
Applications:
- Embedded Systems: Arduino, Raspberry Pi, ESP8266, ESP32 projects.
- Security Systems: Passcode entry for door locks.
- Industrial Controls: Equipment operation interfaces.
- Robotics: Input control for robotic projects.
- Home Automation: User input for smart devices.
- Gaming & Custom Keyboards: DIY control panels.
Package Includes:
- 1 x 4x4 Membrane Keypad
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General Questions
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What is the latest price of the 4x4 Keypad Switch 16 Key Matrix Membrane Type Keyboard in Bangladesh?
The latest price of 4x4 Keypad Switch 16 Key Matrix Membrane Type Keyboard in Bangladesh is BDT 45.00 . You can buy the 4x4 Keypad Switch 16 Key Matrix Membrane Type Keyboard at the best price on BDTronics.com or contact us via phone.
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Where to buy 4x4 Keypad Switch 16 Key Matrix Membrane Type Keyboard in Bangladesh?
You can buy 4x4 Keypad Switch 16 Key Matrix Membrane Type Keyboard online by ordering on BDTronics.com or directly collect by visiting our store in person. BDTronics is a trusted provider of high-quality electronics, 3D printers, solar systems, and robotics parts. We offer fast shipping across the country via courier service.
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What are the delivery options of 4x4 Keypad Switch 16 Key Matrix Membrane Type Keyboard in Bangladesh?
We provide home delivery service all over Bangladesh. We support Cash on Delivery, Online Bank Transfer, bKash and Credit Card (Visa/ MasterCard/ Amex) payment solutions. The delivery time usually takes 1-2 days inside Dhaka and 2-4 days outside Dhaka.