1×4 Matrix – Membrane Type Keypad – 4 Keys
Introducing the DC 12V 4×1 Key Matrix Membrane Switch Keypad, an affordable and reliable solution for your electronic projects.
This 4-button keypad is a versatile human interface component, ideal for use with microcontroller systems. Designed for ease of use and practicality, it features an adhesive backing for simple mounting across various applications.
With its 1×4 matrix layout, the keypad eliminates moving parts through its membrane design, ensuring durability and long-term performance. It easily integrates into your circuits via a female 5-pin berg connector, making it a great choice for DIY electronics and prototyping.
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 |
Package Includes
1 x DC 12V 4×1 Key Matrix Membrane Switch Keypad.
mijanur rahaman jamadar (verified owner) –
work as well