That's called single *layer* and roughly nobody is doing single layer boards. | Hacker News

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		IshKebab on Jan 21, 2023 \| parent \| context \| favorite \| on: Self-Soldering Circuits [video] That's called single layer and roughly nobody is doing single layer boards.

lightedman on Jan 21, 2023 [–]

Single layer is absolutely used en-masse.

Track lighting circuitry is one example. LED lighting is another.

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