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Author Topic: GekkoScience is now dabbling with 16nm ASICs for new designs  (Read 70508 times)
sidehack
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January 06, 2017, 01:00:59 AM
 #541

Oh yeah, Biggie layout is about 95% finished. I've got ground plane stuff and temp sensor stuff to iron out, and then give it a good once-over to check all connections but I should be on schedule to order prototype PCBs next week.

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January 06, 2017, 01:45:13 AM
 #542

Oh yeah, Biggie layout is about 95% finished. I've got ground plane stuff and temp sensor stuff to iron out, and then give it a good once-over to check all connections but I should be on schedule to order prototype PCBs next week.

You're a machine mate! Looking forward to picking up a few Smiley

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January 06, 2017, 06:43:44 PM
 #543

Biggie pod layout is done, pending a final checkover. I need to do that and work up bitshopper's custom silkscreen for the sticks bound for Europe and I'll be ready to place an order including Biggie prototypes.

The first box of parts just arrived, which includes almost all the passives and some of the active components I'll need to build the 2Pacs, including parts I need to work up the rest of the prototypes. Got some PSU board work to do in the short term, but I'll set up the robot to run out 2Pacs early next week and get review units out to people ASAP.

I also went ahead and followed up on that US heatsink supplier link, thanks Meech. I had come across that outfit when I was doing some looking last month, but that was right before I handed off the task to my procurement agent friend. I've submitted an RFQ for their 1" profile, with and without tapped holes.

I also did a bit more research on anodizing, and since I have about ten feet of heatsink-profile bar stock on hand to play with, I might dabble a bit next week depending what chemicals I can find locally.

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January 06, 2017, 08:04:31 PM
 #544

Great work Sidehack!

Thank you for the updates.
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January 06, 2017, 08:37:49 PM
 #545

Anodizing is - interesting. I played around with it long long ago.

Basic clear and black is easy to do and very straight forward. Colors is where the Majik comes into play... Most often pure DC is not used but rather pulsed DC is be it 120Hz unfiltered from a full-wave circuit or filtered DC chopped to a higher freq. Even the pulsed current ramp up/down times come into play.

You might want to check out what folks at http://www.instructables.com/ have done. Odds are they have DIY info on it.

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January 06, 2017, 08:46:28 PM
 #546

DIY is what I've looked into, since anything would be starting from scratch. Seeing decent results from straight DC so I'd probably start there, nothing fancy.

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January 06, 2017, 11:51:24 PM
 #547

Thought I had found some links to more detailed specifics on anodizing a while back but this is a good place to start. http://www.anodizing.org/?page=reference_guide and http://www.anodizing.org/?page=faqs

Towards the end of that 1st page they give the colors produced using different aluminum alloys along with current densities/time.

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January 06, 2017, 11:54:14 PM
 #548

Great work sidehack!

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January 07, 2017, 12:17:53 AM
 #549

Thought I had found some links to more detailed specifics on anodizing a while back but this is a good place to start. http://www.anodizing.org/?page=reference_guide and http://www.anodizing.org/?page=faqs

Towards the end of that 1st page they give the colors produced using different aluminum alloys along with current densities/time.

Yeah, basic anodizing small parts doesn't take much at all as far as supplies, and coming up with a regulated power supply to do it is right up your alley sidehack.

The hardest part for most is the calculating of the part surface area for the volt/amp calculation.    Might be something to consider for in-house... if you want to... just a small tank (tupperware bin or old porcelain sink) that you can dunk the parts in a conductive basket.

Lots of youtube vids with home anodizers showing their stuff =)

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January 07, 2017, 03:36:21 AM
 #550

I also did a bit more research on anodizing, and since I have about ten feet of heatsink-profile bar stock on hand to play with, I might dabble a bit next week depending what chemicals I can find locally.

I found https://www.amazon.com/dp/B01HSBM5JM/
Quite similar to Compac heatsink dimension (10mm longer. But fin counts, height, and width are the same) and it is already anno'ed.

Each heatsink is basically $1.99.
Something I just wanted to mention, so you can save some trouble.
If this is not cost effective at all, then you can disregard this.
Just my 2 cents.

It is over.
sidehack
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January 07, 2017, 04:03:51 AM
 #551

Thanks, but...

I'd have to cut them down to length anyway, and drill and tap. If I'm going to do that anyway I'll just get bar stock at 20 cents an inch.

Also there's only a couple dozen and I need a hundred dozen.

Thanks though.

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January 07, 2017, 01:07:06 PM
 #552

Dear Sidehack,

Your dedication to this stuff is quite inspiring, so thanks for that)

Could you tell us is there any approximate price for the "Biggie" pod?
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January 07, 2017, 01:49:01 PM
 #553

Dear Sidehack,

Your dedication to this stuff is quite inspiring, so thanks for that)

Could you tell us is there any approximate price for the "Biggie" pod?

It's fairly difficult to determine this before a prototype is finished and functional due to the having to cover both manufacturing/material costs as well as research and development.

It's easy to say the parts cost X and it costs Y to put the miner together and it costs Z to ship it.

Until there is a functional prototype an approximate value can only be calculated as the following:

(X+Y+Z) = A+R&D markup(multiplied by number of devices).

It could be said that the device will cost no less than Z(shipping cost) but that's a useless estimate without the rest of the values.

If I was to guestimate, I think they'll cost more than a loaf of bread...but less than a breadtruck.

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January 10, 2017, 05:21:52 PM
 #554

This is probably the right thread;

Actually, I'm raising money for BF16 projects by whipping out some multi-chip BM1384 stuff since, at low clocks, they're still decently efficient (under 0.3J/GH, so S7-level) and easy to work with. Pods are back in the works anyway, and I'll be sending off for prototype PCBs this week. This isn't the appropriate place to discuss it, but there's updates in my 16nm dev thread and stuff in Group Buys, including a Canada GB, so if you still want to trade those S5 boards for something you should look it up.

I don't want to buy sticks but in 2-3 months when it get warmer again, i'll probably be willing to throw in even my working S5 boards. Otherwise right now, i think i'm up to 3 or 4 non working boards. (out of 9 or 10)

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January 11, 2017, 04:59:18 PM
 #555

re these ^^^ thoughts, EDIT: which are now deleted, so the rest does not make much sense anymore

sticks project is to raise money for BF stuff, this has been articulated plenty.
If you don't want sticks, that's fine.

Would I be too much out of line to suggest that those who buy 2Pac sticks might be considered first in line (so to speak) for boards or any other BF products, otherwise some people are just piggybacking, essentially?
The decision is with sidehack, I just voice my 2c.

On the other hand, if we will have a gazillion of these things (BF), the whole thing is a tempest in a teapot.
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January 11, 2017, 05:41:29 PM
 #556

I really want for there to be a gazillion of them. If the people who have already expressed interest are the only buyers there's still interest for many hundreds, and once they exist and actually get advertised it'll be even more. I don't take high margins from anything, but I was planning on using the profits from BF16 gear to actuall cement my business as more than a barely-breakeven one-man operation in a rented shop, which kinda requires selling a gazillion of them.

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January 12, 2017, 06:51:17 PM
 #557

I have old S3's and S1's.. how difficult will it be to implement these boards onto an S3?

Will the S3 controller run the boards?  


I am excited for these pod miners!!  I hope they run with windows XP lol. I fail at mastering raspbin or Linux... I can only windows Sad.
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January 12, 2017, 07:27:06 PM
 #558

I have old S3's and S1's.. how difficult will it be to implement these boards onto an S3?

Will the S3 controller run the boards?  


I am excited for these pod miners!!  I hope they run with windows XP lol. I fail at mastering raspbin or Linux... I can only windows Sad.

if he is able to do like he wants to : take off the old board and put the new upgraded board back on , i think he said he wouldn't reuse those controllers and make it easier for everyone to use..

and please excuse me for not wanting somethings that will set, i deleted that comment didn't think it really mattered, i guess it does to some .


why XP ? .   or is that a joke ? . 
sidehack
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January 12, 2017, 07:34:37 PM
 #559

Maybe because every Windows since XP has sucked in progressively more intolerable ways?

VH has already mentioned Windows binaries to me. Should be okay.

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January 12, 2017, 08:00:57 PM
 #560

Maybe because every Windows since XP has sucked in progressively more intolerable ways?

VH has already mentioned Windows binaries to me. Should be okay.

Cant agree more. I have stopped at Win7 as its what I deem to be the last real windows.

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