2022-01-04 14:48:24 printed circuit board (PCB) is a laminated sandwich structure of conductive and insulating layers. PCBs have two complementary functions. The first is to affix electronic components in designated locations on the outer layers by means of soldering. 
murielwise1
murielwise1 2021-12-11 20:13:25 is PCB print is good to use,
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