AN481002 Search Results

Matrix keyboard key code

Abstract: AN4810 AN481 keyboard matrix scan code
Text: AN481002 A Keyboard Scanner Author: Tseng Han Hsing Holtek Semiconductor Inc. Introduction This unit uses a 4x4 keyboard matrix, giving a total of 16 keys with each key representing a single hexadecimal value as shown in the diagram. The microcontroller program scans the keyboard matrix to detect which key