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Date: Wed, 21 Dec 2011 14:09:16 -0500
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From: DJ Delorie <dj AT delorie DOT com>
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In-reply-to: <4EF229B4.8050008@ecosensory.com> (message from John Griessen on
	Wed, 21 Dec 2011 12:47:16 -0600)
Subject: Re: [geda-user] Design suggestions...
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> That, and add a little capacitance to the DC motors/potentiometers
> so PWM of them effectively creates a sigma delta DAC with an output
> smoothing filter.

I'd assumed rotor inertia would be sufficient, but I suppose "that
depends" as usual.