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Wah Auto-On mod!

Started by Gnome, August 23, 2005, 05:01:45 PM

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Gnome

August 23, 2005, 05:01:45 PM
Hi!

I want an auto-on funktion to be added to mye GCB-95. I have tweaked it pretty heavily, so I have a decent sound, but I want an auto-on funktion.

Any links to any site where someone explains a simple wah to do it?

And, is it possible to use a light sensor so that you can only step on it, and make it work?

casey

#1
August 23, 2005, 06:15:47 PM
i would get a potentiometer that had a switch on it, so that when you pulled it back all the way, it would click off.

:idea:
Casey Campbell

jimbob

#2
August 23, 2005, 06:38:53 PM
That is a VERY cool idea! Anyone know how to do this?
"I think somebody should come up with a way to breed a very large shrimp. That way, you could ride him, then after you camped at night, you could eat him. How about it, science?"

Penguin

#3
August 23, 2005, 08:53:06 PM
you can get a momentary switch and mount it  in the rocker part of the wah.  they make great tactile switches that you can put under the rubber part of the wah.  use with a toggle switch on the side so you can choose normal or touch on. ssimilar in use to morley
In a corner of the churchyard, Where the myrtle boughs entwine, Grow the roses in their poses, Fertilized by Clementine.

JimRayden

#4
August 23, 2005, 10:04:20 PM
Wow... great idea. And I thought post-it was a cool invention. a momentary switch... I'm on it! :)

--------
Jimbo

R.G.

#5
August 23, 2005, 10:30:57 PM
Magnet on the heel of the rocker and a couple of form-C reed switches.
R.G.

In response to the questions in the forum - PCB Layout for Musical Effects is available from The Book Patch. Search "PCB Layout" and it ought to appear.

niftydog

#6
August 24, 2005, 12:13:05 AM
spring-loaded pedal return with tactile switch under the heel...

I've tried the new cry baby bass wah which has a similar feature and I hated it. What good is a wah pedal if you can't switch it on, leave it mid sweep and crank up the overdrive!?! BAH!
niftydog
Shrimp down the pants!!!
“It also sounded something like the movement of furniture, which He
hadn't even created yet, and He was not so pleased.” God (aka Tony Levin)

Gnome

#7
August 24, 2005, 01:28:35 PM
Thanks for the replies!

But, I'm wondering of making something a bit more like the MSD SilverMachine Automagic feature. anyone who knows about any suitable optical light sensor that can sense if the foot is on the pedal or not?

For example like a night switch, that switches on the outdoor light when the dark comes. Is there such thing that you can place under the foot? (I don't think there is much light under the foot...

Adjustable would be a plus.

If this sounds just crazy, I leave it with one of the other solutions :P

Paul Perry (Frostwave)

#8
August 25, 2005, 01:16:09 AM
Those Sharp proximity infrared switches (used by amateur robotics guys, and also to flush urinals) will do this. Been discussed here before.
And here's a kit from someone else: http://www.oricomtech.com/prod2/irpd.htm
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