Finally I put everything together. We have a mixed audio signal, which is preamplified and coupled, filtered and again amplified.
Then, IRFZ44N MOSFET is used to control a motor. Voltages are scaled by a tenth to allow correct simulation of the Mosfet.
And the final product is here! Follow the link to watch the real gadget working... it was its last performance.
Dancing Water Meter: Five hours: http://youtu.be/PDwx_-r3Alk
