This keypad has 16 buttons, arranged in a 4x4 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.
Included is a 8-pin extra-long header strip so you can plug easily plug it into a breadboard.
Specifications:
Pad Size: 70 x 77 x 0.8mm
Cable Length: 3-1/3" or 85mm (including connector)
Weight: 8g
Connector: Dupont 8 pins, 0.1" (2.54mm)
Max. Circuit Rating: 35VDC, 100mA
Insulation Spec.: 100M Ohm
Dielectric Withstand: 250VRms (60Hz, 1min)
Contact Bounce: 5ms
Life Expectancy: 1 million closures
Operation Temperature: 0 to +70 °C
Operating humidity: 40°C, 90%
Connector type: 8 pin
Mount type: adhesive
Pinout: Pin 1 located right of the “*” key 1-4 controls the row. Pin 8 located left of the “D” Key 5-8 control the columns
WARNING
