Description
The 1×4 Matrix 4-Key Membrane Switch Keypad is a compact input device designed for projects that need multiple buttons without taking up much space. It features four keys arranged in a 1×4 matrix, providing a simple and convenient interface for microcontrollers and electronic circuits.
The keypad has an ultra-thin design with an adhesive backing, allowing it to be easily attached to a flat surface or control panel. Its flexible construction makes it a practical choice for prototypes as well as finished DIY projects.
With a matrix output, the keypad can be easily connected to a microcontroller for functions such as menu navigation, data entry, security controls, and device operation. It is suitable for Arduino and other microcontroller-based projects where a compact user interface is required.
Specifications
| Specification | Details |
|---|---|
| Product Name | Membrane Switch |
| Matrix (Columns × Rows) | 1 × 4 |
| Number of Keys | 4 |
| Output Type | Matrix |
| Voltage | DC 12V |
| Current | 30mA |
| Contact Resistance | ≥100 Ohm |
| Operating Force | 250–350g |
| Contact Bounce | >1s |
| Pad Size | 76 × 69 × 0.8mm |
| Pad Size (Approx.) | 3 × 2.7 × 0.03 inches |
| Cable Length | 72mm / 2.8 inches |
| Connector Pitch | 2.54mm / 0.1 inch |
| Material | Plastic |
| Weight | 9g |
| Mounting Type | Front Panel Mount |
| Design | Ultra-Thin, Adhesive Backed |
| Package Content | 1 × 4 Membrane Switch |
Features
- 1×4 matrix configuration with 4 keys
- Ultra-thin and lightweight design
- Adhesive backing for easy installation
- Simple matrix interface
- Easy communication with microcontrollers
- Suitable for Arduino and DIY electronics
- Compact design for space-limited applications
- Good price-to-performance ratio
Applications
This 1×4 membrane keypad is suitable for:
- Menu selection
- Security systems
- Embedded system data entry
- Arduino projects
- Microcontroller applications
- DIY electronics
- Custom control panels
- Electronic prototypes
- User-input interfaces
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