> *...is any of this useful for anything? A musical ignition coil might not be..... | Hacker News

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		aebtebeten on June 28, 2024 \| parent \| context \| favorite \| on: How electronic ignition works and also how to make... > ...is any of this useful for anything? A musical ignition coil might not be... Some Siemens engineers decided that if they couldn't get rid of locomotive startup leaking into the audio bands, they might as well make it sound like they meant to be playing it: https://www.youtube.com/watch?v=DpMxETSV4K8

jfim on June 28, 2024 | [–]

The Montreal metro also had a pleasant three tone chime on the older MR-73 trains.

Rinzler89 on June 28, 2024 | [–]

We used to play music on the coils of BLDC drone motors when learning to control them in university 12+ years ago when that was hot shit.

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