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Hiking Log guide, WIP. Trying to get from “voltage is like a water tower” to “why is a pull-up resistor,” with stops at “let’s read a datasheet,” “how GPS works” and “infill is the squiggly bits.” Mostly hoping my bad sketches aren’t also wildly misleading https://github.com/joeycastillo/oddlyspecific.org/blob/master/_posts/2020-02-20-oso-1-the-hiking-log.md

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