How to measure the power supply voltage without a multimeter? Of course there is a way...Today we will take a look at the AD function of AT32F421.AT32F421 has 15 12-bit ADC acquisition ports, which is
[i=s]This post was last edited by DDZZ669 on 2021-2-20 11:45[/i] In the development of single-chip microcomputers, the control of motors is closely related to timers. Whether it is a DC motor, a stepp
[i=s] This post was last edited by Tongxin Laosou on 2019-1-4 19:12 [/i] I was repairing an imported microwave device. The high-voltage transformer of the magnetron was burned out, and the information