By introducing the technical performance of UPS, the cause of the "mainboard blocking" failure is deduced and analyzed, and relevant methods for handling similar failures are provided....
1. Install the test softwareInstall the Jperf software on the PC. The software installation package jPerf is in the document directory. After decompression, right-click the .bat file and select Run as...
In any switching power supply design, the physical design of the PCB board is the last link. If the design method is not appropriate, the PCB may radiate too much electromagnetic interference, causing...
I'm working on a new project recently. I've developed a platform for pushing video streams using a cloud host. You only need to connect esp8266 or esp32 to the platform to play online videos with a 0....
Dear experts:I am now going to maintain the original campus surveillance. The original cameras and NVRs are all original and I need to change the lines. There are 3 16-channel NVRs with the farthest d...
I use an external power supply to supply power to the gate of the LDMOS, but it is turned on before I apply the gate voltage? What is going on? Thank you....