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Operating Voltage (V): 12 DC
Operating temperature: 32 to 122 °F
Maximum Rating: 24 VDC, 30 mA
Keypad Dimensions: 6.9 cm X 7.9 cm
Cable dimensions: 2.0 cm X 8.8 cm
Maximum rating: 24 VDC, 30 mA
Pin counts: 8
Compatible with: Arduino, controller, processor
This Matrix Keypad 4 X 4 has 16 buttons, arranged in a telephone-line 3x4 grid with a column of 4 characters (A, B, C, and D). The keys are connected into a matrix, hence only 8 microcontroller pins (4-columns and 4-rows) are required to scan the pad.
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.
