4×4 Matrix 16-Key Keypad for Arduino Raspberry etc, Tactile Buttons
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4×4 Array Matrix Keypad, hard keys, 43 x 39 mm for Micro Controller. Simple version with tactile push buttons on a PCB. An operation voltage of 35V and a maximum current of 100mA per switch element must not be exceeded. A library, supporting any kind of matrix keypads, is available for example within the Arduino IDE.
Specification: 4×4 Matrix 16-Key Keypad for Arduino Raspberry etc, Tactile Buttons