1×4 Matrix Membrane Type Keypad – 4 Keys
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Introducing the DC 12V 4×1 Key Matrix Membrane Switch Keypad, a cost-effective yet high-quality solution tailored to your application requirements.
Designed with reliability and affordability in mind, this 4-button keypad serves as an essential human interface component for microcontroller projects. Its adhesive backing offers convenient mounting options across a variety of applications.
The Keypad 1×4 configuration comprises a total of 4 buttons arranged in a Matrix form, eliminating the need for moving parts with its membrane design. Integration with your microcontroller circuits is facilitated by a female 5-pin berg connector.
Features
- Ultra-thin design & adhesive backing provides easy integration to any project
- Excellent price-performance ratio
- Easy communication with any microcontroller
- 5 pins 2.54mm pitch connector, 4×1 type 4 keys.
- The sticker can peel off for adhesive mounting.
- Used widely in industrial and home electronic equipment, instrument, etc.
- This allows a microcontroller to ‘scan’ the 5 output pins to see which of the 4 buttons is being pressed.
Specification:
| Voltage(V) | DC 35V |
|---|---|
| Operating Current (A) | 100mA |
| Contact Resistance | 500Ω |
| Insulation Resistance (MΩ) | 100 |
| Dielectric Strength | 250VRms |
| Operating Temperature (°C) | -20 to 40, -40 to 85 |
| Storage condition (℃) | -40 to 80 |
| Mech. & Electrical Lifecycle | ≈ 1,000,000 |
| Length (mm): | 110 |
| Width (mm): | 70 |
| Height (mm): | 1 |
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