arduino - Query on Iot device -

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can 1 me find solution on this.

i know whether there sensor can sense , send data below -30°c. came know arduino cant work on temperature range.

i need deploy freezer thing can sense -°c temperature , send cloud or send controller(wire less) near , controller send data raspberry-pi or cloud.

thank valuable commands.

  • temperature range depends on used sensor (some sensors can measure temperatures -200°c).

  • temperature range other electronic not good.
    can use internally heated encapsulation, not suitable battery application.
    or can place inside sensor , rest of circuit outside.


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