audino-2-arduino中内置的shiftout函数与74hc595芯片
introduction to 74hc595 shift register - controlli
在这里插入图片描述
74hc595的问题 开发板上2个595脚都是通用的 74hc
utc u74hc595ag 74系列逻辑芯片 友顺 全新 - 抖音
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