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Re:Show HN: I built a Guitar Hero robot [video] by grecy on Sunday April 18, 2021 @12:11AM (#26849733)
I second this comment, and if the OP is looking to grow his channel, I suggest watching a few from "Stuff Made Here".

His channel has skyrockted from a few thousand subs less than a year ago to a few million now, and growing VERY fast.

Re:Show HN: I built a Guitar Hero robot [video] by nik12795 on Sunday April 18, 2021 @09:08AM (#26852108)
Yes I'm a fan of his! Coincidentally, Stuff Made Here actually commented on this YouTube video. But I have been enjoying and learning from his channel.