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2 in/out pedal?

Started by Iamthejazz123, February 04, 2016, 03:22:52 PM

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Iamthejazz123

I couldn't find any wiring diagrams for exactly what I'm hoping to do, and I hope this is the right place to ask. I'm not new to soldering, etc, but I this will be my first attempt at building a pedal.  I'm trying to make a pedal that swaps between one set of in/out to a second set of in/out with corresponding leds. I always want input 1 with output 1 and input 2 with output 2.  Basically, I just want to mute one side or the other.  Is this wiring schematic right? Can I ground the guitar signals to the same lug I ground the battery/leds to? Will it pop when I switch from one side to the other?

Thanks for any help, I'm brand new to this.


GibsonGM

Welcome, Jazz!  Decent question. Of course you can do what you're asking...but was there an image you were trying to include with your post?  You say "is this wiring schematic right?", but there's no image.

You can link to a pic on imgur or somewhere else by pressing image icon, and putting the full URL in between the brackets that say ""

What you ask isn't hard to do, but if you have a plan in mind, best to see it.  :)
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Transmogrifox

#2
Here's the image.  The link included in the BBCODE text is a script, so I downloaded the script source and got the image URL from within.  FYI it's always a good idea to "Preview" your post to confirm images display correctly.


This looks ok to me.  It's better to ground the outputs than the inputs though. 

There is no reason to connect the battery ground to the signal ground in this circuit.  You will reduce possibility for pops by keeping battery - separate from signal ground.

Also you will need to put a resistor in series with the LED.  Usually we use 4.7k, but you will need to adjust according to the efficiency of the LED's you're using vs how bright you want it.

As drawn you'll burn up the LED's unless they're something like a 25-watt beast, then you'll just blind yourself and replace batteries every few minutes.

Either way your diagram looks correct conceptually speaking.  Just disconnect signal (jack) grounds from the battery, change switching to ground output instead of input, and put a resistor in series with the LED.

If switch popping becomes a problem you can also put a large-ish (2.2Meg) resistor between each input jack to ground.  That will ensure both inputs and outputs have a ground bleed discharge path, but whatever is driving input won't be driving a dead short.
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tr.v. trans·mog·ri·fied, trans·mog·ri·fy·ing, trans·mog·ri·fies To change into a different shape or form, especially one that is fantastic or bizarre.

Iamthejazz123

Thanks for the fast responses!  Sorry about the image not showing up, this is literally the first forum I've ever posted on, lol.
So as far as the battery goes, I can just leave the negative side disconnected from everything?
Does this look right?


Or do I need a 4pdt switch to have the leds on a completely separate circuit?