Bitcoin spiked back up to $1700 recently and previously it wasn't worth the power to mine but might be now. I buy my humblebundle.com etc stuff with bitcoin.
My original setup uses a raspberry pi with minera (getminera.com) to have a simple web based front end for 6 gridseed minis. These are a unit with 5 gridseed chips together. The gridseed chip can mine SHA256 (bitcoin etc) and scrypt (litecoin, doge etc) and both at the same time.
These just sat quietly mining scrypt which a site called clevermining.com converts to Bitcoin and adds to your wallet. All very easy.
I could never get them to mine bitcoin or dual mine both and gave up but revisiting it showed it wasn't really that hard with the right mining client. I haven't got the nice front end to work yet. That's the last step.
To get Bitcoin (SHA256) to work, SSH to your raspberry pi with Minera and you run
screen sudo /var/www/minera/minera-bin/cgminer-dmaxl-zeus --sha256 -o stratum+tcp://us.multipool.us:3332 --user nickbrooker.1 --pass x --gridseed-options freq=800 --widescreen
You can use my details if you want to give me some extra BTC :-)
The cunning part is this software sets up local UDP listeners when running on SHA256 to allow a second copy to connect via UDP to the scrypt side.
cgminer version 4.3.5-scrypt.2 - Started: [2017-04-29 10:44:40]
----------------------------------------------------------------------------------------------------
(5s):0.000 (1m):0.000 (5m):0.000 (15m):0.000 (avg):0.000h/s
A:0 R:0 HW:1 WU:883.5/m | ST: 5 SS: 0 NB: 1 LW: 48 GF: 0 RF: 0
Connected to us.multipool.us diff 2.05K with stratum as user nickbrooker.1
Block: 12519e6d... Diff:522G Started: [10:44:40] Best share: 1.69K
----------------------------------------------------------------------------------------------------
[U]SB management [P]ool management [S]ettings [D]isplay options [Q]uit
0: GSD 8D8638654955: 800 MHz SHA256 | 1.331G / 4.684Gh/s WU:130.9/m
1: GSD 8D8848665055: 800 MHz SHA256 | 1.322G / 4.684Gh/s WU:98.2/m
2: GSD 8D8307735055: 800 MHz SHA256 | 1.346G / 4.684Gh/s WU:98.2/m
3: GSD 8D8340625055: 800 MHz SHA256 | 1.376G / 4.684Gh/s WU:163.6/m
4: GSD 6D8527885750: 800 MHz SHA256 | 1.317G / 4.684Gh/s WU:261.8/m
5: GSD 6D7631994853: 800 MHz SHA256 | 564.5M / 2.342Gh/s WU:130.9/m
----------------------------------------------------------------------------------------------------
[2017-04-29 10:44:35] Gridseed device found, firmware v01140113, driver v3.8.5.20140210.02, ID 8D8307735055
[2017-04-29 10:44:35] GSD2: System reseting
[2017-04-29 10:44:35] GSD2: Set GC3355 core frequency to 800 MHz
[2017-04-29 10:44:36] GridSeed options: 'freq=800'
[2017-04-29 10:44:36] Gridseed device found, firmware v01140113, driver v3.8.5.20140210.02, ID 8D8340625055
[2017-04-29 10:44:36] GSD3: System reseting
[2017-04-29 10:44:36] GSD3: Set GC3355 core frequency to 800 MHz
[2017-04-29 10:44:37] GridSeed options: 'freq=800'
[2017-04-29 10:44:37] Gridseed device found, firmware v01140113, driver v3.8.5.20140210.02, ID 6D8527885750
[2017-04-29 10:44:37] GSD4: System reseting
[2017-04-29 10:44:38] GSD4: Set GC3355 core frequency to 800 MHz
[2017-04-29 10:44:38] GridSeed options: 'freq=800'
[2017-04-29 10:44:38] Gridseed device found, firmware v01140113, driver v3.8.5.20140210.02, ID 6D7631994853
[2017-04-29 10:44:38] GSD5: System reseting
[2017-04-29 10:44:39] GSD5: Set GC3355 core frequency to 800 MHz
[2017-04-29 10:44:39] Create scrypt proxy on 3350/UDP for GSD0
[2017-04-29 10:44:39] GridSeed GSD0 opened on usb:1:11
[2017-04-29 10:44:39] Create scrypt proxy on 3351/UDP for GSD1
[2017-04-29 10:44:39] GridSeed GSD1 opened on usb:1:9
[2017-04-29 10:44:39] Create scrypt proxy on 3352/UDP for GSD2
[2017-04-29 10:44:39] GridSeed GSD2 opened on usb:1:7
[2017-04-29 10:44:39] Create scrypt proxy on 3353/UDP for GSD3
[2017-04-29 10:44:39] GridSeed GSD3 opened on usb:1:12
[2017-04-29 10:44:39] Create scrypt proxy on 3354/UDP for GSD4
[2017-04-29 10:44:39] GridSeed GSD4 opened on usb:1:10
[2017-04-29 10:44:39] Create scrypt proxy on 3355/UDP for GSD5
[2017-04-29 10:44:39] GridSeed GSD5 opened on usb:1:8
[2017-04-29 10:44:39] Probing for an alive pool
[2017-04-29 10:44:40] Pool 0 difficulty changed to 2048
[2017-04-29 10:44:40] Network diff set to 522G
So disconnect from screen (Ctrl A, Ctrl D) and start
screen sudo /var/www/minera/minera-bin/cgminer-dmaxl-zeus --scrypt -o stratum+tcp://us.multipool.us:3334 -u nickbrooker.1 -p x --widescreen
It will check local host and connect to the ports automatically.
cgminer version 4.3.5-scrypt.2 - Started: [2017-04-29 10:24:30]
----------------------------------------------------------------------------------------------------
(5s):883.0K (1m):106.3K (5m):21.89K (15m):7.333K (avg):1.489Mh/s
A:512 R:0 HW:0 WU:15.3/m | ST: 3 SS: 0 NB: 1 LW: 26 GF: 0 RF: 0
Connected to us.multipool.us diff 512 with stratum as user nickbrooker.1
Block: 8dd69347... Diff:146K Started: [10:24:30] Best share: 710
----------------------------------------------------------------------------------------------------
[U]SB management [P]ool management [S]ettings [D]isplay options [Q]uit
0: GSD 8D8638654955: 800 MHz DUAL / SCRYPT | 136.8K / 260.8Kh/s WU:0.0/m
1: GSD 8D8848665055: 800 MHz DUAL / SCRYPT | 136.8K / 260.9Kh/s WU:0.0/m
2: GSD 8D8307735055: 800 MHz DUAL / SCRYPT | 145.1K / 272.6Kh/s WU:15.3/m
3: GSD 8D8340625055: 800 MHz DUAL / SCRYPT | 136.9K / 260.9Kh/s WU: 0.0/m
4: GSD 6D8527885750: 800 MHz DUAL / SCRYPT | 136.9K / 261.1Kh/s WU: 0.0/m
5: GSD 6D7631994853: 800 MHz DUAL / SCRYPT | 136.8K / 260.8Kh/s WU: 0.0/m
----------------------------------------------------------------------------------------------------
[2017-04-29 10:24:27] Started cgminer 4.3.5-scrypt.2
[2017-04-29 10:24:27] Found scrypt proxy on 3350/UDP
[2017-04-29 10:24:27] Found scrypt proxy on 3351/UDP
[2017-04-29 10:24:27] Found scrypt proxy on 3352/UDP
[2017-04-29 10:24:27] Found scrypt proxy on 3353/UDP
[2017-04-29 10:24:27] Found scrypt proxy on 3354/UDP
[2017-04-29 10:24:27] Found scrypt proxy on 3355/UDP
[2017-04-29 10:24:28] Gridseed GSD0 opened on 3350/UDP
[2017-04-29 10:24:28] Gridseed GSD1 opened on 3351/UDP
[2017-04-29 10:24:28] Gridseed GSD2 opened on 3352/UDP
[2017-04-29 10:24:28] Gridseed GSD3 opened on 3353/UDP
[2017-04-29 10:24:28] Gridseed GSD4 opened on 3354/UDP
[2017-04-29 10:24:28] Gridseed GSD5 opened on 3355/UDP
[2017-04-29 10:24:28] Probing for an alive pool
So now they are happily mining away on both scrypt and SHA256. You're never really going to make money on this unless you are exceedingly lucky and mine solo and solve a bunch of blocks. It just a fun thing to do.
Update: seems one thing to be careful of is power supplies. I have 6 of these gridseed minis and they draw 6 watts in scrypt and I read 30 watts in SHA256 but it may be more. I have a 12V 30A power supply that just expired and was a bit toastie.
Update: seems one thing to be careful of is power supplies. I have 6 of these gridseed minis and they draw 6 watts in scrypt and I read 30 watts in SHA256 but it may be more. I have a 12V 30A power supply that just expired and was a bit toastie.
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