• Zak@lemmy.world
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    2 days ago

    A flashlight is literally one of the simplest electronic devices there is

    You might be surprised at everything going on inside a modern flashlight. I’ll grant that it’s probably easier to find room for extra seals around the port than in a smartwatch though.

    • roofuskit@lemmy.world
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      2 days ago

      Still not nearly as complex or compact as a smart watch. A little microcontroller versus an arm processor.

    • cmnybo@discuss.tchncs.de
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      2 days ago

      A switch mode LED driver can be made very tiny with as few as 4 components. Battery protection and a single cell battery charger can also be very simple.