• 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?

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

    @fox I've got a few of those sensors going spare. Happy to pop one in the post to you. Mine have the resistor built in.

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