in2tactics
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May 04, 2017, 02:05:51 AM |
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Sounds like a good plan Sidehack. I certainly want the Amita as I need to keep on the lower side of power consumption.
I have to keep my power consumption down as well. I recently shutdown my whole mining operation with the exception of my 2PAC miners due to a change in my power billing. I was going to be paying $0.23/kWh and that simply is not worth it. I effectively dropped from 3kW to 18W of power consumption.
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Current HW: 2x Apollo, 2x Apollo BTC, 2x Apollo II Retired HW: 3x 2PAC, 3x Moonlander 2, 2x AntMiner S7-LN, 5x AntMiner U1, 2x ASICMiner Block Erupter Cube, 4x AntMiner S3, 4x AntMiner S1, GAW Black Widow, and ZeusMiner Thunder X6
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ZedZedNova
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Ooh La La, C'est Zoom!
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May 04, 2017, 04:01:14 PM |
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I cant answer for anyone else but being a quiet pod miner would always be beneficial for me. But im happy woth the noise range upto your modded S7LN.
I agree. A quiet pod miner would be very nice. I have a sidehack modded S7LN doing it's thing about 3 feet away from my desk and it's no problem at all noise-wise. I can watch TV and have normal volume conversations with no problems.
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No mining at the moment.
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sidehack (OP)
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May 04, 2017, 04:32:15 PM |
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Well, news. Not good news.
That first Terminus board I got working decided to give up the ghost.
I built a second one to test with and it never worked. So I built a third and it also never worked, exhibiting the exact same symptoms. Worked on both of 'em, couldn't get either to behave. So I went back to the first one, and suddenly IT started doing the same thing as well, after working just fine under extensive poking and prodding for about a week.
So, I don't know what's going on.
I'd previously asked Optimizer for advice, but now I've asked him if he wants to just design the buck himself. He'd expressed interest in the project's power integration in the past, and as that is his area of expertise, I'm hoping he'll be able to put together something good in not a lot of time and that the compensation I'm offering is acceptable.
If he's willing, that'll free me up to focus on a few other things in the meantime. Every part of the pod except the main regulator worked from the original design back around January, so ironing out that one piece has been a substantial delay that I no longer care to fiddle with. Maybe now I can work out some of the BF16 problems.
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NotFuzzyWarm
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May 04, 2017, 05:18:30 PM |
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What range of string voltage/current are you looking at? You know those Intersil all-in-one modules will probably fit the bill. Also see that an Intel sub Altera is making same thing but geared more for feeding Intel's new line of FPGA's https://www.altera.com/b/enpirion-em21xx-digital-powersoc-family.html
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sidehack (OP)
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May 04, 2017, 05:37:51 PM |
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It'd be good for getting to market faster, but those things cost at least 3 times as much as building from discrete parts, pretty much equalling the cost of the entire rest of the device. Not sure I can justify that.
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NotFuzzyWarm
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May 04, 2017, 05:48:06 PM |
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Well I do have that Intersil ISL8225MEVAL3Z 30A evaluation board I got a while back. Accepts 0V to 20V - yes it says zero - and delivers up to 30A with 0.6v to 6v output.
It is actually a dual 15A in one package - nice touch for multiple strings maybe? However, the eval board is setup as single paralleled output for the 30A.
Want it donated for ya to play with?
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sidehack (OP)
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May 05, 2017, 04:05:33 PM |
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So, Optimizer has agreed to work on the main power for Bitfury stuff. That should have wide enough deployment to justify the cost of outsourcing, since he's a Real Engineer™ and deserves to be compensated accordingly.
In the meantime I'll be taking NotFuzzyWarm's advice and using a prebuilt power module for the BM1384 Terminus. I've found one that has decent specs and is also not super expensive, and several will be on a parts order sent out today so I can next week start experimenting with it. If it works as well as I hope, I'll take time to draw up a final-version PCB with that block integrated and send off for an order. Depending on how cleanly the module can be hacked onto existing version of the board, I may have some prototype models available for purchase.
Upon further thought, I do actually really like the Terminus name and general color scheme ideas better so I'm gonna keep that around for pod miners.
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philipma1957
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May 06, 2017, 02:43:58 PM |
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good to see some joint brain power here.
optimizer has made some good gear for me still works to perfection since December.
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ab1jx
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May 06, 2017, 07:31:51 PM |
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![](https://ip.bitcointalk.org/?u=http%3A%2F%2Fbitfury.com%2Fproducts%2Fchip_shadowed.png&t=665&c=DNTBOZJxS2UbTQ) If you didn't already have your hands on a few of these things I'd suspect they didn't really exist. The page at http://bitfury.com/products#16nm-asic sorta sounds evasive and run on a shoestring looking for investors. No datasheets? I found this Google translation of a page in Russian from 2013 that sounds like they expect the chips any day 4 years ago. https://translate.google.com/translate?hl=en&sl=ru&u=https://forum.bits.media/index.php%3F/topic/2464-all-kiev-prodazha-asic-chips-diy-kits-miners-magazin-bitbonanzaco-ofitcialnyi-dis/&prev=search Almost sounds like the whole thing could be a scam. They're claiming 100GH/s per chip with an efficiency of 0.06J/GH. I'd like to see 100 watts worth of those. I probably couldn't afford it. I've been RTFMing back discussions. Got myself a 2pac from HolyBitcoin, it's sitting here idling along at 150 MHz, just came yesterday. Slushpool says 39 years to payout (A whole BTC or what?). Meanwhile my $62 used Gridseed has made 0.1357 LTC. It's hard to judge how the hash rates and difficulties and market values on the currency work out. Power connectors, what about just a pair of binding posts on standard 3/4 inch centers? You can put up to about 14 gauge wire into them, don't have to solder, you can use double banana plugs as quick disconnects, stack them, run 20 amps through them. It seems like a misuse of USB connectors, like the problems microusbs have had in Pis and Kindles, trying to push 2 amps through them. I look at the problems people have had with hubs that boil down to not enough power and it's like power problems in Pis. If you're going to build something around a Pi I'd definitely feed power in through the GPIO, you might be able to make use of some of those pins too. Temperature and voltage control, switching, but that would make the whole thing dependent on using a Pi. I'm just lurking and waiting for the 16 nm stuff to start coming out. Seems like the best thing to do with this stuff is forget about it and let it run for a month or so, stop looking every 10 minutes. It's like watching paint dry.
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HagssFIN
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Electrical engineer. Mining since 2014.
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May 06, 2017, 07:35:11 PM |
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Bitfury 16nm process node chips are a real deal, check out my review link in my signature.
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Unacceptable
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May 09, 2017, 09:34:54 AM |
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I'm sure Bitfury has had these chips for quite sometime but wanted to only deal with BIG money,that has kinda dried up,so they now are lowering their standards to just above the home miner scum line.
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"If you run into an asshole in the morning, you ran into an asshole. If you run into assholes all day long, you are the asshole." -Raylan Givens Got GOXXED ?? https://www.youtube.com/watch?v=9KiqRpPiJAU&feature=youtu.be"An ASIC being late is perfectly normal, predictable, and legal..."Hashfast & BFL slogan ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)
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sidehack (OP)
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May 10, 2017, 11:49:54 PM |
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Well I don't know about you guys, but today has been a pretty good day for me.
One reason being I just got in about 300 2Pacs worth of chips, another reason being selling 350 2Pacs. Not to brag or anything. But it's great news because that puts money in the bank that I can use for dev funding! Which was the whole point!
Anyways, the other big reason is the sample buck modules arrived today. I've got two hacked-up Terminus pods running stable at 275MHz. I think the current is just a shade too high (especially once it warms up) to run 300MHz off that module, but so far I'm quite pleased with the performance. Gonna take one home with me even.
So I'm gonna make some adjustments to the PCB to integrate that module and a few other changes and hopefully by end of next week I'll have a short batch of prototype boards inbound. So that's pretty cool.
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thehypnominer
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May 11, 2017, 12:15:24 AM |
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That's very good news indeed!
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qctechno
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May 11, 2017, 02:16:22 AM |
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Cut & paste good ref design and save the day. Nothing work without stable power.
Well done!
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in2tactics
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May 11, 2017, 03:38:57 AM |
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Awesome! It is nice to hear you are having success.
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Current HW: 2x Apollo, 2x Apollo BTC, 2x Apollo II Retired HW: 3x 2PAC, 3x Moonlander 2, 2x AntMiner S7-LN, 5x AntMiner U1, 2x ASICMiner Block Erupter Cube, 4x AntMiner S3, 4x AntMiner S1, GAW Black Widow, and ZeusMiner Thunder X6
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ab1jx
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May 11, 2017, 04:03:53 AM |
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I'm definitely interested in 100 watts worth of the 16 nm, maybe the BM1384 version if they're going to be a few months.
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philipma1957
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May 11, 2017, 04:20:36 AM |
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I had a nice day.
I rearranged the solar array with buysolar
Half done.
I took back 2 compacs and gave him a gpu.
So I now have three compacs and a 2pac running on klintays 19 port hub.
I moved optimizer's 2980 breakout board that has been running two s9s since dec from buysolar's basement up into the array.
Tomorrow we will move the avalons and a s7 and 1/3 of a s9. All into the array.
I will move some gpu rigs out of my garage.
This will let me run sidehacks gear in my garage for the summer.
Looking for a few pods.
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spazzdla
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May 11, 2017, 03:40:46 PM |
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YUSSSSSSSSSSSSSSSSSSSSSSSSSS
I want 3 16nm pod miners RAWRRRRRRRRRR HASH MAN!!!!!!!!!!!
Hash man!
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Morguk
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May 11, 2017, 05:46:00 PM |
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Nice one Sidehack, always good when things go right. I'm glad you kept the Terminus name, I do prefer it ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif) Fingers crossed I can be in on the first samples.
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Calculate the chance of hitting a bitcoin block when solo mining at
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sidehack (OP)
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May 11, 2017, 05:55:33 PM |
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Yeah but it's better when things go right in February instead of May.
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