The connection method and working principle of matrix keyboard?
The connection method and working principle of matrix keyboard?
发布时间：2025-04-02 19:25:27
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答案：When the number of keys on the keyboard is large, the keys are usually arranged in a matrix to reduce the use of I/O ports. In a matrix keyboard, each horizontal and vertical line is not directly connected at the intersection, but is connected by a key.
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