龍卷風

狂風掃葉 葉落歸根

Circuit Board

Posted by doc on March 22, 2021

I drew this circuit using Fritzing’s PCB view.

The result:

The problem with this circuit board is the gaps were too narrow. Even with a little moisture, where will be leaking current somewhere. However, with thorough cleaning (with dish washing paste) and drying (with a hot air gun), it worked without a problem. Hot components will make the LED blink faster.

So I made another one:

Still need to wash and dry to get rid of leaking current.

I have also made a templates out of 2mm acrylic sheet. This will let me make more circuit board easily.

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