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 Forum index » DIY Hardware and Software » Rob Hordijk DIY Designs
Zeitgeist Schematics
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electri-fire



Joined: Jul 26, 2006
Posts: 535
Location: breda nl
Audio files: 4
G2 patch files: 4

PostPosted: Wed Nov 25, 2009 9:48 am    Post subject: Zeitgeist Schematics Reply with quote  Mark this post and the followings unread

I asked for the Zeitgeist schematics, but....

Edit: I just remembered Rob mailed them to me. As he also posted the Benjolin schematics I presume he won't mind me posting the Zeitgeist.


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Ginsengbob



Joined: Jul 04, 2011
Posts: 3
Location: Alabama United States

PostPosted: Mon Jul 04, 2011 12:59 pm    Post subject: This May be a stupid question but...... Reply with quote  Mark this post and the followings unread

How can you use the board graphic for making a pcb when it's got the component graphics on it like that?



Thanks
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CJ Miller



Joined: Jan 07, 2007
Posts: 371
Location: 127.0.0.1

PostPosted: Thu Mar 15, 2012 5:48 am    Post subject: Reply with quote  Mark this post and the followings unread

I noticed a small error on the schematic diagram. It has C9 - pin 9 on the delay chip - as 9100nF. Looking at the overlay and photo here it appears that the extra 9 is a typo, it should probably be 100nF.
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Ginsengbob



Joined: Jul 04, 2011
Posts: 3
Location: Alabama United States

PostPosted: Fri Mar 16, 2012 10:43 am    Post subject: Seriously Reply with quote  Mark this post and the followings unread

On the Benjolin post there is a graphic with the components and a graphic for using a transfer with no components to print on the transfer paper.
Is there something I'm missing?
Please tell me.

Thanks
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PickNick



Joined: Oct 16, 2009
Posts: 82
Location: BP

PostPosted: Sun Mar 18, 2012 9:21 am    Post subject: Reply with quote  Mark this post and the followings unread

i'm still not sure what kind of regulator is 1702...
mcp1702?
can i use 7805?

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inlifeindeath



Joined: Apr 02, 2010
Posts: 309
Location: Albuquerque, NM

PostPosted: Sun Mar 18, 2012 10:14 am    Post subject: Reply with quote  Mark this post and the followings unread

PickNick wrote:
i'm still not sure what kind of regulator is 1702...
mcp1702?
can i use 7805?


yes, it's just a 5v line for the delay chip. 7805 work fine.

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PickNick



Joined: Oct 16, 2009
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Location: BP

PostPosted: Mon Mar 19, 2012 7:49 pm    Post subject: Reply with quote  Mark this post and the followings unread

great news!
thanks mate!

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tokyomatik



Joined: Jan 20, 2011
Posts: 122
Location: berlin
Audio files: 6

PostPosted: Tue Apr 23, 2013 8:28 pm    Post subject: Re: Seriously Reply with quote  Mark this post and the followings unread

Ginsengbob wrote:
On the Benjolin post there is a graphic with the components and a graphic for using a transfer with no components to print on the transfer paper.
Is there something I'm missing?
Please tell me.

Thanks

so? no pnp transfer layout?? Sad
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xiwi



Joined: Nov 29, 2012
Posts: 8
Location: nyc

PostPosted: Sat May 18, 2013 6:59 pm    Post subject: Re: Seriously Reply with quote  Mark this post and the followings unread

tokyomatik wrote:
Ginsengbob wrote:
On the Benjolin post there is a graphic with the components and a graphic for using a transfer with no components to print on the transfer paper.
Is there something I'm missing?
Please tell me.

Thanks

so? no pnp transfer layout?? Sad


This might be sacrilege, but I'm currently working on an alternate PCB layout for the Zeitgeist with external pots and jacks. Here's an image. Not making it fully available yet, as I haven't had the time to confirm that it's working perfectly.

http://imgur.com/1TLzkLx
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tokyomatik



Joined: Jan 20, 2011
Posts: 122
Location: berlin
Audio files: 6

PostPosted: Sat May 18, 2013 7:58 pm    Post subject: Reply with quote  Mark this post and the followings unread

i already feel better Cool
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Dogenigt



Joined: Oct 25, 2009
Posts: 37
Location: Denmark
Audio files: 4

PostPosted: Sun May 26, 2013 6:38 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi can anyone tell me what these potentiometers on Rob's board is called? I often need ones this size!

And can anyone explain the 10 pin connector for the jumper if I wanted to make one myself?

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LFLab



Joined: Dec 17, 2009
Posts: 179
Location: Rosmalen, Netherlands

PostPosted: Sun Jun 02, 2013 1:43 am    Post subject: Reply with quote  Mark this post and the followings unread

Those are 9mm pots, several manufacturers make them, Alpha too.
Just need to specify that you want vertical mount.
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boundlessFX



Joined: Jun 06, 2013
Posts: 4
Location: JP, MA

PostPosted: Tue Jun 11, 2013 12:20 am    Post subject: n00b question Reply with quote  Mark this post and the followings unread

What exactly are the components labeled "HDR_3"? I recognize everything else and have most of it on hand, but I've never seen these before. Are they some type of transistor?
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inlifeindeath



Joined: Apr 02, 2010
Posts: 309
Location: Albuquerque, NM

PostPosted: Tue Jun 11, 2013 9:25 am    Post subject: Reply with quote  Mark this post and the followings unread

They are headers, you can just use hookup wire.
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boundlessFX



Joined: Jun 06, 2013
Posts: 4
Location: JP, MA

PostPosted: Wed Jun 12, 2013 6:50 pm    Post subject: Reply with quote  Mark this post and the followings unread

Awesome. Thanks!
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jmejia



Joined: Mar 12, 2009
Posts: 114
Location: portland

PostPosted: Wed Jul 10, 2013 3:15 pm    Post subject: Reply with quote  Mark this post and the followings unread

Could someone describe what this circuit does? I'm having trouble finding a good description anywhere. I found a video - but it doesn't go into much detail...
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inlifeindeath



Joined: Apr 02, 2010
Posts: 309
Location: Albuquerque, NM

PostPosted: Thu Jul 11, 2013 1:04 am    Post subject: Reply with quote  Mark this post and the followings unread

It's a delay circuit
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jmejia



Joined: Mar 12, 2009
Posts: 114
Location: portland

PostPosted: Thu Jul 11, 2013 8:37 am    Post subject: Reply with quote  Mark this post and the followings unread

I know it's a delay circuit, I'm familiar with the pt2399. I was assuming this does more or is interesting or different than the other 2399 schematics floating around...?
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robboten



Joined: Nov 26, 2009
Posts: 29
Location: stockholm, sweden

PostPosted: Tue Aug 13, 2013 10:30 am    Post subject: Reply with quote  Mark this post and the followings unread

Hows the new board layout coming along. Am curious and have a couple of 2399 laying here waiting... Wink

And also... was the "old" pcb layout with pots but without components ever released?
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