This DC 12V 4×3 Matrix 12 keys Membrane Switch Keypad is high-quality soft touch feeling button keypad with 100 million life-stroke lifespans and good resistance to environmental conditions. CityTech BD
This DC 12V 4×3 Key Matrix Membrane Switch Keypad is a high-quality product at very low cost for your application needs. Punch in your secret key into this numeric matrix keypad. This keypad has 12 buttons, arranged in a telephone-line 3×4 grid. It’s made of a thin, flexible membrane material with an adhesive backing (just remove the paper) so you can attach it to nearly anything. The keys are connected into a matrix, so you only need 7 microcontroller pins (3-columns and 4-rows) to scan through the pad. CityTech BD
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.
- Sticker can peel off for adhesive mounting.
- Used widely in industrial and home electronic equipment, instrument, etc.
- This allows a microcontroller to ‘scan’ the 7 output pins to see which of the 12 buttons is being pressed. CityTech BD
| General Specification |
| 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 (gm) | 7 |
| Ribbon cable length (mm) | 90 |
| Shipment Weight | 0.01 kg |
| Shipment Dimensions | 9 × 8 × 4 cm |
Package Includes :
1 x 3×4 Flexible Keypad
