DIY Info Collection.



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Re: DIY Info Collection.

Postby jwar » Thu Jun 28, 2012 10:45 am

Quick LED question. I'm using a Blem enclosure to build my second Robot Devil. I put in 3 led's instead of the standard two. Can I run two LED's on the same foot switch by just adding a second 2.2k resistor? Or tie the second LED into the existing resistor?

Also does anyone have any experience with heat shrink? I bought some because #1 it looks good, #2 the enclosure is an awful tight fit and I don't want shit ground out in weird places.
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Re: DIY Info Collection.

Postby Mike » Thu Jun 28, 2012 11:19 am

The best bet is to either run the LEDs in parallel, with their own current limiting resistor, OR in series with a shared resistor of about a third of the value (for 3 LEDs) that you would use with one LED. What you don't want to do is use one resistor, and then run the LEDs in parallel off of that resistor, since the LED with the lower Vf would hog the current.

Heat shrink is good. My biggest problem is that I forget to put it on before I solder, and end up not using it. It should be shrunk with, in order of preference: a heatgun, a soldering iron, a cigarette lighter. A lighter will likely discolor the heat shrink if it is not black.

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Re: DIY Info Collection.

Postby Scruffie » Thu Jun 28, 2012 11:46 am

Mike wrote: It should be shrunk with, in order of preference: a heatgun, a soldering iron, a cigarette lighter. A lighter will likely discolor the heat shrink if it is not black.

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Re: DIY Info Collection.

Postby MrMurderMittens » Fri Aug 03, 2012 4:11 pm

Image


I want to put an analog VU meter on my pedals voltage sag/starve pot. Need help!
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Re: DIY Info Collection.

Postby DannDubbleEwe » Sat Aug 04, 2012 3:08 pm

:picard: wrong thread. Carry on!
Last edited by DannDubbleEwe on Sat Aug 04, 2012 4:12 pm, edited 1 time in total.
futuresailors wrote: DEM SWEEPS.

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Re: DIY Info Collection.

Postby univalve » Sat Aug 04, 2012 4:05 pm

DannDubbleEwe wrote:DAM Ezekiel clone for Demon. :omg:

Image

Image

Did you also build the clone itself or did you only do the etching?
Looks super cool!
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Re: DIY Info Collection.

Postby DannDubbleEwe » Sat Aug 04, 2012 4:12 pm

LOL. I totally though I put this in the finished projects thread. D'Oh. I will delete it... But yes, I built it AND etched it. HUZZAH!
futuresailors wrote: DEM SWEEPS.

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Re: DIY Info Collection.

Postby univalve » Sat Aug 04, 2012 4:58 pm

Excuse my ignorance. Thought you "only" rehouse. Awesome take on that pedal.
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Re: DIY Info Collection.

Postby DannDubbleEwe » Sat Aug 04, 2012 5:04 pm

Thanks! I started getting into the whole pedal thing by building first, etching second. The etching just made sense with my background (painting/ printmaking) so it just worked out to be more of "what I do". But I adore building.
futuresailors wrote: DEM SWEEPS.

spacelordmother wrote:MAKE SURE YOU WRITE THE WORD "TACOS" IN THE SUBJECT LINE SO I KNOW YOU'RE A REAL PERSON.



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Re: DIY Info Collection.

Postby eatyourguitar » Tue Oct 09, 2012 9:32 am

read everything here and you will be a DIY superstar

http://openbookproject.net/electricCircuits/
WWW.EATYOURGUITAR.COM <---- MY DIY STUFF
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Re: DIY Info Collection.

Postby goroth » Sun Oct 21, 2012 5:01 am

This thread is also ruleage. Great resource Rob.
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Re: DIY Info Collection.

Postby Eric! » Wed Oct 24, 2012 4:01 am

eatyourguitar wrote:read everything here and you will be a DIY superstar

http://openbookproject.net/electricCircuits/


*10 years later* oh hey, there's more sections :animal:
Mojo Hand FX -- huge sounds inbound..
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Re: DIY Info Collection.

Postby Bellyheart » Tue Dec 25, 2012 4:18 am

Alooks hella informative. Thanks!
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Re: DIY Info Collection.

Postby futuresailors » Thu Jan 03, 2013 7:29 pm

So like an A/B box with TRS jacks would make an A/B expression pedal switcher thing? Cuz I have 1 expression pedal and more than that things I want to express.
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Re: DIY Info Collection.

Postby morange » Tue Jan 22, 2013 5:58 pm

I found this short pdf about biasing op amps: http://resenv.media.mit.edu/classes/MAS836/bias.pdf

Here's a great site for designing filters: http://sim.okawa-denshi.jp/en/Fkeisan.htm
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