How to Go Postal

Step 3 Circuit Still Life

Once you've tested your circuit, you can lay it out on the surface of your choice. You can trace the sticker design attached in this step to create the 555 timer circuit that will blink an LED or two. More complicated circuits will require multiple layers. Leave ~ 0.25 inches for each trace. I make small circular contact pads at locations where electronic components will contact the ink traces.

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