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Buell Forum » XBoard » Buell XBoard Archives » Archive through June 29, 2007 » Growl mode servo exhaust brain. « Previous Next »

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Fl_a1a
Posted on Monday, June 25, 2007 - 08:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I was throwing around the idea of making a circuit that would leave the exhaust valve wide open for 1 min. time window when extra growl sound is wanted.

I would use this as the electronic brain:
http://www.seattlerobotics.org/encoder/may97/picch ip.html

In normal mode the brain would pass all signals from the wire harness to the servo module. But when I trigger the growl mode, the brain would send the proper signal to the servo open the exhaust wide open (growl mode).

Thoughts?
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Fl_a1a
Posted on Monday, June 25, 2007 - 09:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

In thinking about this more, I believe a servo is voltage controlled, so a pic cpu may not be necessary. I could get by with a resistor/jfet/cap analog timing circuit.

Or maybe a 555 timer circuit like this:
http://www.geocities.com/bourbonstreet/3220/servobasics.html

(Message edited by fl_a1a on June 25, 2007)
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