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  • it installed but node was not available in the end.

    Because it's an old node, it might be available as node and not nodejs (or vice-versa?).

    Or just try using the non-minimal image. 4GB SD cards are pretty cheap nowadays :)

    MQTT's there because it also relays advertising data down MQTT. At the moment you can't disable this so you will need the MQTT server installed.

    However you can leave node-red off. That's just for linking things together graphically - everything will work without it


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