Keywords: Matrix keyboard
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Journal Articles
Circuit World (2020) 46 (3): 175–182.
Published: 28 January 2020
... is pressed, the system does not require additional peripheral. When any of the switches are pressed, the system only requires some additional diodes and resistors to achieve full n-key rollover. By adding diodes and resistors to the switch pins in the basic matrix keyboard circuit, the proposed design method...

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