ChuckJaxFL's solid state stirplate

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chuckjaxfl

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I've been trying to come up with SOME advantage this idea would have over a magnet glued to a fan. I haven't been successful.

That said, I'm going to try it anyways. Here's a rough prototype.

 
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Thanks!

The electromagnets are these.

They are driven with an SN754410 h-bridge, which is controlled by an ATtiny84. It's not very stable, the magnet will only spin at a specific RPM.
But, hey, this is just a start. I'm receptive to any ideas anyone has to improve it.
 
For growing yeast starters? Nil.

But solid state stir plates are preferred in potentially explosive and corrosive environments.

Here's mine, next to my DIY stir plate:

2012-08-03_21-47-52_352.jpg
 

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