“A second one was added as the shaft of the rotor. Yes, one motor is actually spinning another motor that is spinning the display.”

although this is a nice idea, it’s unfortunately not the way physics work. so what’s more likely the case is that the motor being spinned around is actually standing still, producing just enough friction to take the led blade with it.

“discription”? oh gosh…

@tulcod:

“although this is a nice idea, it’s unfortunately not the way physics work. so what’s more likely the case is that the motor being spinned around is actually standing still, producing just enough friction to take the led blade with it.”

could you elaborate on this? specifically in what way you think physics works?

You guys just don’t get it. The first (blue) motor is attached to the stationary part by its axis. That way, I could access its rotary encoder from the moving part. It proved not powerful enough, so I added a stronger motor to drive the second motor’s housing, which is actually the moving part. The original motor is not getting any power.

BTW, this is a very, very old project. It’s been 8 years.

Yo dawg, I heord you like motors, so I put a motor on your motor so you can spin while you spin.

/obligatory
//facepalm

@Lucas:

That was actually highly appropriate. It made my day anyway.

Now someone just need sto make a pov binary watch so we can all be jealous.

i bet it’s noisy

[fuzzcraft] already mentioned it, but this project is really old, i remember stumbling across the web page years ago.

@Jim:

agreed. if one motor stands still while trying to drive the propeller it will indeed not have a good time trying to survive the nonstop orgasm of current.