• I should probably put a smart temperature sensor in there

    Connect a DS18B20 (and a 4.7k resister) to the Raspberry Pi

    with hindsight the two switches should have been at the top

    Why two switches and not just one bigger one?

  • Why two switches and not just one bigger one?

    Check the count of cables... One would've been fine. So I'll assume he's done what I've done and future proofed it as a single one would be near max and this allows expansion... Plus it's probably what he has at hand.

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