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The DC 12V 4×1 Key Matrix Membrane Switch Keypad is a compact, reliable, and cost-effective user interface solution for embedded systems and microcontroller-based projects. This membrane keypad features 4 tactile buttons arranged in a 1-row matrix configuration, making it ideal for compact designs where space is limited.
Designed with a strong adhesive back, the keypad can be quickly mounted on any flat surface. Its 5-pin female Berg connector allows for easy interfacing with Arduino, PIC, AVR, or any other microcontroller. Built with no moving parts, this keypad ensures durability and consistent performance over extended use.
🔧 Key Features
- 4-button matrix layout in a 1×4 configuration
- Operates on standard DC 12V supply
- Simple interface with 5-pin Berg connector
- Durable membrane construction with no moving parts
- Strong adhesive backing for easy installation
- Ultra-thin profile suitable for compact designs
- Compatible with all major microcontroller platforms
📐 Technical Specifications
| Product Name | DC 12V 4×1 Key Matrix Membrane Switch Keypad |
| Keypad Type | 4-button (1 row × 4 columns) |
| Operating Voltage | DC 12V |
| Connection Type | 5-pin Female Berg Header |
| Material | Polyester membrane |
| Dimensions | 107mm × 20mm × 0.8mm |
| Mounting | Adhesive Backed |
| Number of Keys | 4 |
| Contact Type | Momentary (Tactile) |
| Weight | ~4g |
| Durability | >1 million cycles |
📌 Applications
- Microcontroller-based projects (Arduino, Raspberry Pi, etc.)
- User interface for embedded electronics
- DIY control panels and automation systems
- Home security and access control
- Test rigs and prototype equipment
💡 Why Choose This Keypad?
With a slim design, durable membrane construction, and easy connectivity, the DC 12V 4×1 Key Matrix Membrane Switch Keypad offers reliable and budget-friendly input control for a wide range of applications.
📦 Package Includes
- 1 × DC 12V 4×1 Key Matrix Membrane Switch Keypad
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