How to make a digital frequency meter using MCS51? I have never learned single-chip microcomputer. I read books by myself, but it is not very ideal. I hope experts can give me some advice on the direc
[align=center]{:1_97:}Yes, it ends today[size=4](this Thursday, April 25th), there are 10 books left in the prize pool~[/size][/align] [align=center][size=4][/size][/align] [size=14px] [/size]{:1_123:
Sharing of household heating and cooling inverter air conditioner application solutions based on MM32SPIN series MCU : https://training.eeworld.com.cn/course/5661Introduction to variable frequency air
[size=14px]I am now using UART interrupt and RTC interrupt[/size] [size=14px]After receiving data, the system will send data after the RTC interrupt enters 6 times. If the transmission permission (thi