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[–] 4 points 8 months ago

I would guess that the units used in smoke alarms and microwaves generally have integrated drivers that only operate at a single frequency.

Yeah, you could more easily create a rhythm than a full melody. If you get a few devices, which beep at different frequencies each, you could do a lot more by having them beep in succession and in intervals.

Of course, this requires that they're roughly in tune, which may not be the case at all. 🥴

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