3X4 Membrane Keypad - Keypad
The 12-button keypad provides a useful human interface component for microcontroller projects. Its convenient adhesive backing provides a simple way to mount the keypad in a variety of applications. It works compatible with Arduino and other microprocessors. The buttons are connected to a matrix, so you only need 7 microcontroller pins (3 columns and 4 rows) to scan within the pad.
Technical Specifications
- Ultra-thin design and adhesive backing allows easy integration into any project
- Easy with any microcontroller communication
- Cable included
- Maximum Efficiency: 24VDC / 30mA
- Bounce time: ≤5ms
- Insulation Resistance: 100MΩ @ 100V
- Dielectric Strength: 250VRms (@ 60Hz, 1 min)
- Interface: 7-pin access to 3×4 matrix
- Operating temperature: 0 - 50 ° C
- Dimensions: Keypad 70 x 77 mm
- Cable: 20 x 85 mm
Application Areas
- Security system
- Menu selection
- Data entry for embedded systems
Connection with Arduino Diagram
.png)
