The following is a dot matrix tutorial that can flow, but I can't flow it in the protues simulation, and the displayed words are not correct? Please help
#include reg51.h
char XD[ ]={0x01,0x02,0x04,0x...
As the title says, it updates every 200ms and is fixed at 100K, but the generated frequency is unstable, fluctuating between 123k and 112k, but not really, the frequency of changes is not much, what's...
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I have been deeply affected by serial ports since 51. The MAX232 I bought from Huaqiang was originally broken. I thought there was something wrong with my circuit or schematic. Since there was no goo...[Details]