arcaege··on Show HN: Make your Framework 12 sound like a creaky doorYes I did test that too! It seemed to sound a little nicer this way though, more cartoonish
arcaege··on Show HN: Capacitor Alarm ClockYou could, but from my measurements the capacitor tends to pull ~1A before it bursts, so you'd be running up against the 3A limit of USB. At voltages below 12V, they don't seem to go off reliably.