I am a newbie, a very newbie. When I used protues to simulate a microcontroller, I changed AT89C51 to AT89C52. There was no problem at first and it could be simulated, but after the change, it could n
1. The electromagnetic flowmeter has requirements for straight pipes before and after installation, but the requirements are lower than those of other types of flowmeters, but the most important point
[i=s]This post was last edited by Rambo on 2019-7-19 14:30[/i]AbstractIn terms of water resource utilization, the measurement of flow, water quality and other parameters is very important, but many re