Tip on rotaryencoder

[Bigstone]

Stumbled accross this interesting page on how to use a old wracked HDD's motor as a cheap rotary encoder.  :)

http://users.tkk.fi/~jwagner/electr/rotary-enc/

Not sure if this is the right place for this hint but then please move it to the right location.

Hope this is usefull for some one more.