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4x4 keyboard module
This is a 4x4 matrix sixteen key membrane switch keypad that is easy to use and will look nice in your project. It has 8 outputs, you should use the “Scan mode” to judge which button has been pressed down.
Specification
- Pad Size: 70 * 77 * 0.8mm
- Cable Length: 85mm(include connector)
- Connector: 8 pins female header, 2.54mm Pitch
- Max Circuit Rating: 35VDC, 100mA
- Insulation Spe: 100M Ohm, 100V
- Dielectric Withstand: 250VRms (60Hz, 1min)
- Contact Bounce: <=5ms
- Life Expectancy: 1 million closures
- Operation Temperature: -20 to +40 °C