USB driver conflict? I just can't install it. I have a USB driver that always says it can't find the corresponding file and can't be installed, but it works on another machine. Or it works after reins
AT89C51 is connected to ULN2003 to drive the relay, and the relay is then connected to the inverter to control the oil field water injection pump. How should the circuit diagram be connected?
Mos switch principle (brief):
MOS is a voltage-driven device. As long as an appropriate voltage is applied between the gate and the source, a path between the source and the drain is formed. The resis
Originally I wanted to get some hardware this time, but my CD kept going back and forth between my workplace and home, and I couldn’t find it at home. I put it in the CD-ROM drive at work. I’ll talk a