3×4 Array Matrix Keypad, hard keys, black
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This black keypad with white letters comes with 12 tactile switches. The resistance of a pressed key element is <1k Ohm. An operation voltage of 35V and a maximum current of 10mA per switch element must not be exceeded.A library, supporting this keypad, is available for example within the Arduino IDE.
Specification: 3×4 Array Matrix Keypad, hard keys, black