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. Support in Arduino, AVR, PIC, STM, Raspberry Pi
Specification
Pad Size: 70 x 77 x 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: Minus 20 to Plus 40 Degree.
