Print out the diagram from the software "s File menu. Print it out on a glossy paper such as, magazine paper. You should. Ensure the circuit is mirrored before doing that (most PCB layout programs have this as an option when printing). Once, printed. Make sure you don "t touch the ink part on the paper as it can get on your hands.Align the circuit diagram on the paper with the circuit board (the diagram should be facing the copper part of the circuit. Board).Slowing start taking off the paper and soon all of the paper should come off. If certain areas seem particularly difficult. To peel off you can, try soaking a bit more. If everything went well you will, have a copper board with your PCB pads and. Signal lines traced out in black toner.Etch the board using one of the methods below. This process removes any unnecessary copper from the board leaving only. Wiring of the final circuit.Prepare the acid etchant. For example some crystallized, acids require being dissolved in hot water.Submerge the board in the acid.
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