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Offline GoldDigger1950
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« Reply #50 on: November 19, 2010, 02:44:32 pm »
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Quote:Posted by Mudflap
Must have missed it somewhere. Where is the scheme, layout, info ??
Got the kit and am ready to start.......
Jim

Good question. It's been attached to a good number of posts in a variety of incarnations. Let me gather the most up to date info to zip into an archive and I'll upload it into the Downloads area. To keep you going for now, here is the latest and best schematic and the component list for the board you have in your hand.

Be aware that there is some errata for you to deal with. Look up the pin data on the transistors to be sure you have them aligned right. Certain types have to be reversed on the board while others drop in as pictured.

Also, not shown on the schematic are two jumpers that have to be installed. They are marked on the silk screen as white lines.

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SurfPi_v_12.pdf
SurfPi_v_12_component_list.txt

« Last Edit: November 19, 2010, 02:48:07 pm by GoldDigger1950 » 		Logged
It's all about that moment when metal that hasn't seen the light of day for generations frees itself from the soil and presents itself to me.
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Offline Mudflap
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« Reply #51 on: November 19, 2010, 05:31:25 pm »
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Thanks GD. Silverdog attached that info to a message to me but when I try to D/L I am getting "You are not allowed to access this section". Sent a msg to Christian.

This will get me going. Clapp


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Offline GoldDigger1950
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« Reply #52 on: November 19, 2010, 09:25:31 pm »
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Yes, the PM attachments don't work at the moment. It's a low priority problem with the rest of the board being revamped. It will be fixed eventually.

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Offline Mudflap
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« Reply #53 on: November 20, 2010, 01:32:30 pm »
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Christian just informed of that. Wondered what was going on!

The scheme and parts list you listed are different than the one I just received from Andy. Haven't looked at them too much but see you show Q1 as a  BC327 and Andy's shows a 2N3906. Q6 is BC337 and he has a MPSA13. Scheme looks similar scheme wise but drawn fairly different. Will have to stare at this for a bit....



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Offline GoldDigger1950
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« Reply #54 on: November 20, 2010, 03:22:52 pm »
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The transistors are substitutes for each other. Just be mindful of the Collector, Base and Emitter configuration for each or you might put them in backwards by mistake. The BC327 and BC337 are complimentary as are the 2N3906 and MPSA13. Their pin configurations vary. Look them up on Google and find a datasheet on the ones you are using.

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It's all about that moment when metal that hasn't seen the light of day for generations frees itself from the soil and presents itself to me.
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« Reply #55 on: November 20, 2010, 07:47:49 pm »
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Thanks for the tip GD.
Anyone else have this project finished and working? Show your pictures!



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« Reply #56 on: November 21, 2010, 03:35:40 am »
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What was the coil size to use on it? Damn I hate it when I loose my info  Angry

Xavier

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So many questions so little time
Offline GoldDigger1950
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« Reply #57 on: November 21, 2010, 03:37:23 am »
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Coil is 330uf to 350uf.

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It's all about that moment when metal that hasn't seen the light of day for generations frees itself from the soil and presents itself to me.
Let's Talk Treasure!
Offline xavier
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« Reply #58 on: November 21, 2010, 03:45:56 am »
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Thanks GD got that also what was the suggested coil diameter? 

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So many questions so little time
Offline GoldDigger1950
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« Reply #59 on: November 21, 2010, 04:07:12 am »
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There wasn't any suggested diameter, just the value.

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It's all about that moment when metal that hasn't seen the light of day for generations frees itself from the soil and presents itself to me.
Let's Talk Treasure!
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