PCB layout for variable power supply

PCB layout for variable power supply

This is PCB layout for variable power supply. oles will be the easiest and most accurate drilled so that the printed circuit board is used as a template , mark the holes through which the aluminum easiest to drill PCB and drill the same size as the holes in the PCB. Most of the holes in the PCB are 0.9 and 1 mm , 1.5 mm and the holes for the rivets, fuses , Graetz , and regulator .

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