4×3 Matrix 12 keys Membrane Switch Keypad
The DC 12V 4×3 Matrix 12-Key Membrane Switch Keypad is a high-quality, soft-touch keypad designed for durability with a lifespan of up to 100 million key presses. It offers excellent resistance to environmental factors, making it suitable for a variety of applications.
This 12-button keypad is an affordable and reliable solution for integrating a human interface into microcontroller projects. It comes with a convenient adhesive backing, allowing for easy mounting in a wide range of applications.
The 4×3 keypad layout consists of 12 buttons arranged in a matrix configuration. As a membrane keypad with no moving parts, it ensures long-term reliability and smooth operation. A female 7-pin Berg connector is required for interfacing the keypad with your microcontroller circuit.
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, 4×3 type 12 keys.
The sticker can peel off for adhesive mounting.
Used widely in industrial and home electronic equipment, instruments, etc.
This allows a microcontroller to ‘scan’ the 7 output pins to see which of the 12 buttons is being pressed.
Specifications:
| Voltage(V) | DC 35V |
|---|---|
| Operating Current (A): | 0.1 |
| Contact Resistance | 500Ω |
| Insulation Resistance (MΩ) | 100 |
| Dielectric Strength | 250VRms |
| Length (mm): | 70 |
| Width (mm): | 70 |
| Height (mm): | 1 |
| Weight (g): | 7 |
| Ribbon cable length (mm) | 90 |
Package Includes :
1 x DC 12V 4×3 Matrix 12 keys Membrane Switch Keypad
Azhagu Senthilkumar (verified owner) –