Bugcrusher 9v board layout

[jzilla]

this is awesome.  is the layout for the bugcrusher micro available?  (not opposed to buying one but they're so hard to get!)

thanks!
-j

[tommi]

Yes, you can find it at the beginning of this thread or on Tom Bugs website: http://www.bugbrand.co.uk

[jzilla]

Yes, you can find it at the beginning of this thread or on Tom Bugs website: http://www.bugbrand.co.uk

that's the micro version?  i didn't realize that because of the talk of adding a preamp for guitar.  according to the tom bug site, the micro can take line or instrument level.

thanks!
-j

[tommi]

Well, the version at the beginning of this discussion is the simplest one.
I 've tried the ad781 this way and I can say that it accepts a guitar signal.
If you have not tried it yet i 'd suggest you to do it! You could be satisfied just with that!
I added a resonant filter and a dry/wet mix section so that i can apply the filter to a clean signal. The mix section i used is the one that Para suggested to me (is the Mobius Trip mix section and you can find it some page ago).
I also tried to do some developement around the CV section (thanks Para and Tom Bugs for putting me on the right way) for tweaking  the "crush" rate with an expression pedal, and I finally got it working but not the way I wanted (the range of the pedal was not the entire crush range but, instead, it was just a bit). I don't have so much time to dedicate to developements so I had to decide to discard that section.
Finally I added a preamp section with switchable mic/line so that i can use this effect even with a mic. It's a really simple pre. I posted the scheme. You find it on this forum on the "switchable mic/line pre" thread.

[jzilla]

sounds like you've added some useful mods!  thanks for the info!
-j

[ryder]

Hi all,

I'm fairly new to the whole electronics thing. I've built a few circuits on pcb's, but schematics and layouts of this type have me somewhat perplexed.
Please would you help me understand how this layout is, well, layed out!

I assume it's shown looking down onto stripboard with the copper traces running horizontaly....
In this case i'll also assume that the traces beetween the IC's, r1 and c4 will need cutting..

Do the blue lines show the only connections that must be made, and in which case, does that mean that all traces between components with no blueline must be severed? for example between f5 and f7.
If that is the case, then why must the 'in' wire go to f5 istead of just being hooked up straight to d7?

finally.... where the blue line runs across connections but without the black dots, does that mean all those components are joined or not(eg audio in/out grounds, r1, 9v1-, 9v2-/+) and if so, how do I do it? by daisychaining little bits of wire?

Thanks for taking time to read this

[tommi]

Hi ryder,

I assume it's shown looking down onto stripboard with the copper traces running horizontaly....

The board shown in the layout is a pad-per-hole board. The blue lines are representing uninsulated solid wire.

finally.... where the blue line runs across connections but without the black dots, does that mean all those components are joined or not(eg audio in/out grounds, r1, 9v1-, 9v2-/+) and if so, how do I do it? by daisychaining little bits of wire?

Yes, even the points without the black dot are joined.

[ryder]

So pin 3 of ic1 would actually be connected to both + and - of c6?

And c5 is shorted out by a connection by the look of it, this right?

Thanks for your help

Paul

[tommi]

Hi ryder, I suggest you to give a look at the schematics here
Anyway, pin 3 of ic1 is only connected to the + pin of c6.
c5 is not shorted, it have the + pin on V+ and - pin on ground.
I 'm sure schematics will help you.

[(casette)]

Hi guys!
I'm having serious trouble wit the Stomp Switch thing...
I've read this thread over and over, back and fourth but I still don't
get it.
I have a 6 pin SPDT which I was hoping that I could use to turn the BugCrusher on/off.
Also would be great if I could use a LED to see if it's on or off I would be forever thankful!!!

Cheers from bankrupt Iceland
Arni Geir

well, I found a "True bypass" picture somewhere on the net.
Its a 6pin SPDT. I tried this and it seems to work, but I would like
approval from you guys:
Pin 1 Goes to audio IN on the board
Pin 2 goes to jack input
Pin 3 and 6 linked together
pin 4 goes to audio OUT on the board
pin 5 goes to jack output.

Thanks!!
Arni Geir