Hacker News Comments on
How a Smartphone Knows Up from Down (accelerometer)
engineerguy
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HN Theater has aggregated all Hacker News stories and comments that mention engineerguy's video "How a Smartphone Knows Up from Down (accelerometer)".
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Oct 25, 2020
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supernova87a on
My toothbrush streams gyroscope data
Here's an actually entertaining video on it: https://www.youtube.com/watch?v=KZVgKu6v808(the rest of the channel's videos are good too -- the aluminum can video is great)
⬐ sleazy_bThat was really great and explained it really well, thanks!⬐ dylan604So, how well would a smartphone work on the Moon or Mars? (ignoring the fact it is not shielded for cosmic radiation). If the spring&ball accelerators are measuring the effects of gravity, would they notice the rotation when a != 9.81m/s/s?⬐ scottlocklinThe way the asics were written in 2000 it should work. Should work in free-fall also.
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I always wondered how the phone knew its orientation. Then I saw this video. Wow.https://www.youtube.com/watch?v=KZVgKu6v808
This is from a series of videos called "Engineerguy"
⬐ mrestkoHis videos are wonderful.