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4x4 Matrix Membrane Keypad
| Jameco Part no. 2161473 | |
|---|---|
| Manufacturer | PARALLAX INC. |
| Manufacturer no. | 27899 |
| web exclusive |
- Data Sheet (current) [120 KB ]
4x4 Matrix Membrane Keypad
This 16-button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications.
Features
- Ultra-thin design
- Adhesive backing
- Excellent price/performance ratio
- Easy interface to any microcontroller
- Example programs provided for the BASIC Stamp 2 and Propeller P8X32A microcontrollers
Application Ideas
- Security systems
- Menu selection
- Data entry for embedded systems
Key Specifications
- Maximum Rating: 24 VDC, 30 mA
- Interface: 8-pin access to 4x4 matrix
- Operating temperature: 32 to 122 °F (0 to 50°C)
- Dimensions: Keypad, 2.7 x 3.0 in (6.9 x 7.6 cm)
Downloads & Resources
- Membrane Keypad Documentation v1.2 (.pdf)
4x4MatrixKeypad_Demo-20111212.bs2 (.zip)
Propeller Keypad Demo Code [.spin] (.zip)
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| Specification | Value |
|---|---|
| Type | Keyboard |
| Number of Keys | 16 Key |
| Layout | 4x4 Key |
| Maximum Current Rating | 30mA@12VDC |
| Specification | Value |
|---|---|
| Product Length | 2.7 |
| Product Height | 3 |
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