[dba-Tech] Foot switches / controls

I am looking for something inexpensive to use as an analog (as in
continuously variable) accelerator pedal for my son's ride-on toy.  ATM it
is just a simple go/nogo switch.  I am working on a controller to interface
to that switch to allow me to do a "soft start" to ramp up the motors over
time to spare the gearboxes the huge torque they see now as the motors just
come full on.  While I am at it I would like to actually allow a realistic
accelerator which can be varied from off to full on over a range.  Someone
pointed me to hall effect transistors but I haven't found a useful system
there either.

John W. Colby
Colby Consulting
www.ColbyConsulting.com

-----Original Message-----
From: dba-tech-bounces at databaseadvisors.com
[mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of John Bartow
Sent: Wednesday, September 27, 2006 4:23 PM
To: 'Discussion of Hardware and Software issues'
Subject: Re: [dba-Tech] Foot switches / controls

I really have no idea what you're thinking of but here's a link to a foot
pedal that I set a music instructor up with last year, in addition to the
music program, etc.

There's a serial or USB foot pedal:
http://www.smartmusic.com/order/accessories.aspx 

HTH
John B.

-----Original Message-----
From: dba-tech-bounces at databaseadvisors.com
[mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of JWColby

Does anyone know of an inexpensive foot switch or better an analog
(potentiometer) foot pedal?  I can find them as part of game controllers but
I really want just the pedal part.

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