Anyone into pod miners?

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viper_maxiSenior Member
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#1Nov 23, 2017, 01:35 AM
http://solo.ckpool.org/workers/1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr_TERMINUS So I kinda forgot to mention that I’m working on a new pod miner called the Terminus R808. It still uses the BM1384 chips (8 of 'em, hence the name) and it’s expected to hit 100GH with a 12V3A power supply, and around 140GH with a 5A one. I haven’t fully tested it yet, but it should be able to manage 100GH without needing a fan (just lay it on its side to help with cooling), plus it has an adjustable core voltage and a built-in thermal shutoff at 80C. At just four inches square, it’s probably the tiniest Bitcoin miner not made in the last couple of years. Everything’s working pretty well, except the main Vcore power is acting up, so I’m rebuilding that part from scratch. The new layout is finished and I’ll be sending off for prototype PCBs tomorrow. It’s also compatible with VH's current cgminer build. My test unit (which is running off a modified external buck) is currently hashing at 250MHz (110GH) as shown in the link above.
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hodler2019Legendary
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#2Nov 23, 2017, 03:22 AM
needs a fan to cool it?
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SwiftKingMember
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#3Nov 23, 2017, 05:46 AM
Nice...is the voltage adjustment (potentiometer?) with that tall black 'structure' on a green base? I have a 70W14A block (from Superpag)   from left: mini usb? next to the right-Ethernet looks like some alt power connector, maybe? USB B type? I have some usb A to USB B cords from legacy equipment.
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darkguruHero Member
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#4Nov 23, 2017, 11:34 AM
Lookin' sweet! Ok, I'll wait and won't hack a hub to supply moar power for 2Pacs's/Compac... @ Biodom, yes, is a barrel connector for power. USB is coms only as I recall.
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SwiftKingMember
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#5Nov 25, 2017, 09:49 PM
actually, i would think that there is a mini USB on the left for coms, but both USB B and barrel are for power, but let's await a word from the man.
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darkguruHero Member
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#6Nov 27, 2017, 07:36 PM
Well until he pipes in, with him saying pretty sure you aren't gonna get 12v from a USB jack
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viper_maxiSenior Member
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#7Nov 27, 2017, 08:29 PM
It's USB-B. Legacy? Surely I'm not the only one who still uses B. I prefer it to all newer versions. But there's also a mini on there for folks who'd rather use that. I like giving people options. 12V power from a barrel connector, so any kind of 5V supply will be basically useless. This draws zero power from the USB bus. USB for power on a 30-60W device makes no sense. (Please don't bring up USB-C, that's clearly not what's going on here.)
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SwiftKingMember
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#8Nov 29, 2017, 06:24 AM
well, sure, brick is a barrel, but I recall that USB power might have been an option (..and I was wrong). maybe brick for superpag is a wrong one (i just checked), but Plugable's brick has 12V 5A coming out in a barrel, so why not? i am not talking about using the hub itself.
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just_satFull Member
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#9Nov 29, 2017, 08:38 AM
Zoomhash used to sell 12v 10A bricks with a barrel connection for use with Gridseed "80" units (1 per board so 2 per unit). I think I've seen higher, but that 10A is pushing the limits on a single barrel connection IIRC.  Where are the mounting holes though?
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#10Nov 29, 2017, 11:52 AM
Congratulations, it looks really good! Selling these directly on ebay would seem to be possible these days, given that Eruptors (!) are going for upwards of £20 each.
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#11Nov 29, 2017, 05:08 PM
This unit is looking absolutely amazing. I'm even more surprised this miner can be run passively cooled- what's the temps like on the miner if you do so? If I ever got my hands on one I'd definitely put a fan on it, that's for sure
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moon21Member
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#12Nov 29, 2017, 08:37 PM
Wow! Nice update! Can't wait to get mine.
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CryptoWalletFull Member
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#13Nov 30, 2017, 12:04 AM
Hells yeah! Looks the goods man!!!
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viper_maxiSenior Member
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#14Nov 30, 2017, 05:06 AM
I changed my original design a bit because the ability to run 100GH passively cooled was specifically requested; this enlarged the topside heatsink and added the bottom sink. The original plan was to have the heatsink topside only and smaller with a mounted 50mm fan. As it is, a fan will be optional. My test unit has a single about 60mm CPU cooler fan and only the topside heatsink and it's comfortable at top speed (300MHz). The board does have a fan header (12V only, no throttling) but it's not populated on the one photographed, guess I forgot. The core voltage is intended to allow up to 300MHz stable, which should about max out a 60W brick. I could build it to push more power if you had a higher-current brick, but above about 300MHz the BM1384's efficiency curve gets pretty steep so your heat per additional hash gets crazy - note the difference from 100 to 140GH is already almost doubling the power use. I probably won't sell directly on eBay. I really don't like dealing with people, I like designing and building and not being bothered. I'll sell on here where people tend to be more intelligent and articulate than the average internet hooligan and let CrazyGuy, HolyScott, MacEntyre and their colleagues take on the grumbling masses. Also, I intend to keep this formfactor around. If we can ever get Bitfury stuff working, there'll be a 6-chip Bitfury Terminus R606. It'll be orange.
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0xSigmaMember
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#15Nov 30, 2017, 07:56 AM
what will these units cost?
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viper_maxiSenior Member
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#16Nov 30, 2017, 12:57 PM
Straight from me, I'm thinking $65. Resellers will get volume discounts as my way of saying thanks for handling all the customers I don't want to spend time on. There'll also be the option to trade S5 parts, like I had set up in hopes of the Biggie pod. There'll be no Biggie pod, but there will be this guy. The Amita full-size pod line, for which the Biggie would have been a form-factor flagship and the Bitfury version will have 11 chips, is still planned but won't see the light of day until Bitfury chips cooperate.
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CyberFalconFull Member
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#17Dec 2, 2017, 03:23 AM
Ohhh Yeah, this is what I like to see! how big are these? can I shove 2 inside an old rock-box?
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SwiftKingMember
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#18Dec 2, 2017, 10:14 PM
see OP=4 inches square, not sure re height. At first i thought that i see a reflection of the top sink on the table, but, apparently, there are identical sinks on top and bottom with bottom one being a bit blurry on the pic.
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4lph42017Full Member
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#19Dec 3, 2017, 12:42 AM
Nice work Sidehack, They look awesome! But... does it have blinking lights
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CyberFalconFull Member
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#20Dec 3, 2017, 05:36 AM
you see, I read over this about 5 times, I was looking for numbers, not words and it was 1am too when I type that out, 3am now lol just pulled out an old board, and cannot find my ruler.. so yeah, I say 1.75 of them can fit
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