[i=s]This post was last edited by Kkk- on 2020-7-20 14:11[/i]The LCD screen we are using now is connected to the PCB board through FPC. When doing EMC testing on radiation, the radiation exceeds the s
Netizen: Liu Junluo The most popular criticism in the Chinese market is against BHP Billiton. This reminds me of Buffett's strange saying: "Who is the fool in the market?" In order to prevent such cr
As shown in the figure, the RU40191S and the copper sheet placed on the back are shown (two-dimensional and three-dimensional front and back views). When drilling holes on the RU40191S heat sink, what