题目内容

LCD1602 VDD引脚为电源正极。()

A. 对
B. 错

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LCD1602写指令操作流程。

写数据操作流程。

写出代码表达的含义。void write_com(unsigned char com){RS = 0;RW = 0;P0 = com;EN=0;EN = 1;delay(5);EN = 0;}

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