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Re:Ask HN: Any piece of hardware that was more of game chang... by pani5ue on Sunday February 06, 2022 @11:54AM (#30234253)
Guitar tuner

I'm a beginner/intermediate hobby guitarist. Makes the guitar sound much better. Makes it easier to keep guitar tuned

Re:Ask HN: Any piece of hardware that was more of game chang... by incognition on Sunday February 06, 2022 @11:57AM (#30234283)
Alternatively tuner app on your cell