If you’re an active shopper on RC websites, you’ll find tiny motors spec’ed at hundreds of watts while weighing just a few grams, like this one. Sadly, their complementary motor controllers are ...

This should count as a hack: making music from a thing that should not sing. In this case, [SIROJU] is tickling the ivories with a Brushless DC motor, or BLDC. To listen to a performance, jump to 6:27 ...