This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
准备用移位寄存器74HC595来驱动5个数码管，能否解释下74HC595工作原理，是怎么进行驱动，其中74HC595的QH’ 是怎么输出的，在8位数据写完成后，就会有一个高脉冲出来吗
