At 10:26 AM 9/18/2002 -0700, Bill Clawson wrote:
>The third option (which is what we're pursuing) is to convert our PC104's 4
>on-board DAC outputs to PWM signals through the use of a NE555 (rigged as a
>sawtooth waveform generator) and a bank of comparators. The output of the
>comparators is then fed into a bank of enhancement mode monster FETs (for
>lack of a better word) which drive the motors. I found the information
>about rigging a NE555 as a sawtooth waveform generator from a Fairchild data
>sheet on the web.
>If you search on Yahoo with NE555, you can find the info in about 5 minutes.
>I've also created a schematic if anyone's interested.
I'd like to see the schematic.
-p
Mars or Bust!
www.marssociety.com
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