Full DancingWaterMeter

202

02:06:34

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

published 11 years ago

Sine_eyed

11 years ago

So you have water, audio input, looks like a voltmeter and a motor somewhere. It's all very interesting, but I can't figure out what it is! Could you explain your project here please..

Amauri

11 years ago

Ok, sorry. We are building a project consisting of a graphic equalizer with water. It takes an audio signal and splits it into five frequency bands. Each band controls a water pump (DC motor) and so we have five water streams dancing to the rythm of the music. I recommend you looking for "Water speakers" on YouTube and also look for our testings of "Dancing water meter". We'll upload the final product once it's finished.

UncleRick

11 years ago

This is fascinating!

UncleRick

11 years ago

I continue to study this circuit and it still baffles me how a string of LEDs (in series) can illuminate the way that they do here. I mean... all points in a series circuit experience the same current. (In that LED string, I mean.) So how do they illuminate at different times. I examined the parameters of each LED and they all have the same characteristics. Unless I missed something. Can some kind tech help me understand how this happens? Thanks much in advance.

Amauri

11 years ago

Sure, UncleRick. I apologize, I've been away from circuits for a time now. It's a simple trick, just look again at the LED parameters, they do are different (pay attention to the currents). Though, I don't think it would be possible to achieve that in real life.

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