This week I still continue my etching work. Since I lack experience in etching, it's difficult for me to do it. I have to do my etching twice to make sure the PCB board has my circuit layout from Fritzing clearly. My mistake was I didn't choose the thick wiring for the layout on Fritzing. I only chose the standard wiring, so when I tried to soak the PCB board with acid, the wiring line became too thin and vanished. So I have to redo the etching process again. This time I managed to etch properly.
In the end the circuit constructed on PCB doesn't function because I made some mistakes on the Fritzing layout. I had to present my project on breadboard because I don't have enough time to do the layout on Fritzing again (I still lack the understanding to do the Fritzing). But I still feel relief because my circuit still works as I expected to.
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