jianpansaomiao 4 × 4 matrix scan keyboard scanning

Title: jianpansaomiao

Description: 4 × 4 matrix scan keyboard scanning principle. Rar 4 × 4 matrix scan keyboard scanning principle. Rar

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4×4矩阵式扫描键盘的扫描原理\4×4矩阵式扫描键盘的扫描原理.txt
............................\使用说明请参看右侧注释====〉〉.txt
4×4矩阵式扫描键盘的扫描原理

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