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　　The method for the circuit board manufacturer to identify the IC mark and pin sequence　　There are many ways for circuit boa

　　How to clean the PCB circuit board　　I have been assembling a lot of USB PCB boards recently, which made me think of the bes

　　The inventor of the printed circuit board was Paul Eisler, an Austrian, who used the printed circuit board in a radio devic

　　Circuit board burn-in test method and general tutorial　　The concept of PCB aging　　The PCB aging we usually say is that afte

　　Ahem, it's hot. In the monthly summary of the Shenzhen circuit board production plant, a freshly graduated college stud

　　The so-called circuit board gold finger refers to a row of equidistantly arranged square pads, exposed copper and gold-plat