• astrsk@kbin.run
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    2 months ago

    This would be neat for a bunch of passive IoT buttons. No need for a piezo to generate power, good for a couple presses at a time, just simple stuff like that.

    • billwashere@lemmy.world
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      2 months ago

      Charge up a capacitor and allow a single button press to send a radio signal. Or maybe have enough power to send a WiFi signal.