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Author Topic: PiMiner - DIY mining controller/monitor with Raspberry Pi [v1.1]  (Read 35834 times)
hotwired007
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June 26, 2013, 10:25:19 AM
 #21

can't quite tell but have you put a heatsink on the CPU?

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evilscoop
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June 26, 2013, 10:38:57 AM
 #22

unless yer overclocking, in an open case, with a fan....a cpu heatsink is useless on a pi...
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June 26, 2013, 10:41:41 AM
 #23

can't quite tell but have you put a heatsink on the CPU?

Yeah runs at 64.8 even with that! 975 core/475 cache/500 ram at 1.35v.

Gonna reformat it soon and make it into a lil VPN/fileserver and send it off for free colocation, running it as a miner is a bit pointless at 0.48khash/s. Stock speed is normally 0.33khash/s!
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June 26, 2013, 01:21:47 PM
 #24

can't quite tell but have you put a heatsink on the CPU?

Yeah runs at 64.8 even with that! 975 core/475 cache/500 ram at 1.35v.

Gonna reformat it soon and make it into a lil VPN/fileserver and send it off for free colocation, running it as a miner is a bit pointless at 0.48khash/s. Stock speed is normally 0.33khash/s!

That free collocation offer is incredible!

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June 27, 2013, 07:28:18 AM
 #25

Nice device! Can you add mtgox live prices?

LaserHorse (OP)
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June 27, 2013, 07:43:14 AM
 #26

Nice device! Can you add mtgox live prices?

Good idea - added to my list.

Also had an earlier version of the script displaying confirmed+unconfirmed rewards total pulled from the pool.
May add it back in if there's interest …

PiMiner - control & monitor your miners with Raspberry Pi   •   BTC: 1AV5JekeEVET5u2jTsLDMRsTtagrBnNTBR
turtle83
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June 27, 2013, 09:09:39 AM
 #27

how many usb block erupters can the rasberry pi handle?
it has two usb connections, so can I hook up 2 x 10 port hubs to it?

i would assume that the hard limit would be 127 *2 USB devices? depending on whether the the two USB ports are separate controllers...

the 2 ports are from a single bus...

hotwired007
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June 27, 2013, 12:05:33 PM
 #28

how many usb block erupters can the rasberry pi handle?
it has two usb connections, so can I hook up 2 x 10 port hubs to it?

i would assume that the hard limit would be 127 *2 USB devices? depending on whether the the two USB ports are separate controllers...

the 2 ports are from a single bus...

so its a maximum of 127 devices then...

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tom_o
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June 27, 2013, 12:30:07 PM
 #29

how many usb block erupters can the rasberry pi handle?
it has two usb connections, so can I hook up 2 x 10 port hubs to it?

i would assume that the hard limit would be 127 *2 USB devices? depending on whether the the two USB ports are separate controllers...

the 2 ports are from a single bus...

so its a maximum of 127 devices then...

The 700Mhz ARMv6 will become the bottleneck before 127 USB devices I would have thought.
hotwired007
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June 27, 2013, 12:33:04 PM
 #30

apparently you 'can' overclock the CPU - i dont know how or to what value - i'd definately investigate cooling - as i've seen people say they've over clocked to 800mhz

just googled and found this:

http://www.jeremymorgan.com/tutorials/raspberry-pi/how-to-overclock-raspberry-pi/

1000Mhz and much improved RAM speed? I think thats a win BUT i'd definiatly want a cooler on the chip Wink

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June 27, 2013, 12:44:26 PM
 #31

apparently you 'can' overclock the CPU - i dont know how or to what value - i'd definately investigate cooling - as i've seen people say they've over clocked to 800mhz

just googled and found this:

http://www.jeremymorgan.com/tutorials/raspberry-pi/how-to-overclock-raspberry-pi/

1000Mhz and much improved RAM speed? I think thats a win BUT i'd definiatly want a cooler on the chip Wink

Trouble with that is that overclocking often corrupts the SD card requiring a complete reinstall. Gonna be a bit of a pain if your miner goes down cause of this, mine is at 975 core/475 cache/500 mem with +0.15v Heat shouldn't be too much of an issue; it only gets to 64 degrees even with a little aluminium ramsink and a sealed plastic case (see top post on this page) after 3 days of LTC mining on the CPU. But I certainly won't run it this way for long!

When I send it off to the datacentre it'll definitely be back to stock - not worth risking it; the performance is so low anyway, even 30% more is still really slow!
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July 06, 2013, 02:33:02 PM
 #32

Ask here for troubleshooting help? If not I'll edit this out to keep your post clean.

I ran through the Adafruit tutorial with both the Raspbian and the Occ distros with the same results.

I get to the part where you start cgminer and then PiMiner and nothing seems to happen. The LEDs on the USB sticks stay solid and the LCD says "no connection to cgminer"

http://imgur.com/M8u95D8

Thanks
Rotor
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July 06, 2013, 10:16:59 PM
Last edit: July 06, 2013, 10:53:47 PM by LaserHorse
 #33

Ask here for troubleshooting help? If not I'll edit this out to keep your post clean.

I ran through the Adafruit tutorial with both the Raspbian and the Occ distros with the same results.

I get to the part where you start cgminer and then PiMiner and nothing seems to happen. The LEDs on the USB sticks stay solid and the LCD says "no connection to cgminer"



Thanks
Rotor

k, it looks like cgminer was unable to start mining and therefore exitted/quit

So just to confirm, you have 2 miners connected?
you can double-check by entering:
ls /dev/*USB*

EDIT: also - what type of miners are you using - ASICMiner Block Erupters?

PiMiner - control & monitor your miners with Raspberry Pi   •   BTC: 1AV5JekeEVET5u2jTsLDMRsTtagrBnNTBR
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July 06, 2013, 10:36:41 PM
 #34

You can OC the rPi all you all you want, it's still going to be slow. It's an ARMv6 CPU. They've been using ARMv7 for years now, and ARMv8 is coming out in the next year or so (gonna be sweet!). That's like OCing a PIII to compete with an i3.

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Rotorgeek
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July 06, 2013, 10:47:25 PM
 #35

Ask here for troubleshooting help? If not I'll edit this out to keep your post clean.

I ran through the Adafruit tutorial with both the Raspbian and the Occ distros with the same results.

I get to the part where you start cgminer and then PiMiner and nothing seems to happen. The LEDs on the USB sticks stay solid and the LCD says "no connection to cgminer"

http://imgur.com/M8u95D8

Thanks
Rotor

k, it looks like cgminer was unable to start mining and therefore exitted/quit

So just to confirm, you have 2 miners connected?
you can double-check by entering:
ls /dev/*USB*

EDIT: also - what type of miners are you using - ASICMiner Block Erupters?

Yea 2 usb block erupters miners they showed as usb0 and 1. 
Edit: same ones from the tutorial. The also work fine on my PC, so I know it's not an equipment problem from that side.
LaserHorse (OP)
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July 06, 2013, 10:56:22 PM
 #36

Yea 2 usb block erupters miners they showed as usb0 and 1. 
Edit: same ones from the tutorial. The also work fine on my PC, so I know it's not an equipment problem from that side.

you're using Raspbian or Occidentalis?

PiMiner - control & monitor your miners with Raspberry Pi   •   BTC: 1AV5JekeEVET5u2jTsLDMRsTtagrBnNTBR
LaserHorse (OP)
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July 06, 2013, 11:02:14 PM
 #37

Also - please ensure you're using a USB hub which is compatible with the RPi.
As a general rule - avoid USB 3.0 hubs!

a list of verified compatible hubs can be found here:
http://elinux.org/RPi_VerifiedPeripherals#Working_USB_Hubs

PiMiner - control & monitor your miners with Raspberry Pi   •   BTC: 1AV5JekeEVET5u2jTsLDMRsTtagrBnNTBR
Rotorgeek
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July 07, 2013, 01:22:02 AM
 #38

Yea 2 usb block erupters miners they showed as usb0 and 1. 
Edit: same ones from the tutorial. The also work fine on my PC, so I know it's not an equipment problem from that side.

you're using Raspbian or Occidentalis?

Occidentalis this time but I tried Raspbian and had the same problem.

As far as the USB hub, I have used it for several things, and never had an issue. I'll try it without the hub and 1 miner.
LaserHorse (OP)
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July 07, 2013, 01:44:36 AM
 #39

Occidentalis this time but I tried Raspbian and had the same problem.

As far as the USB hub, I have used it for several things, and never had an issue. I'll try it without the hub and 1 miner.

And it's a powered USB hub capable of supplying a full 500mA to each port?

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Rotorgeek
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July 07, 2013, 02:58:27 AM
 #40

Occidentalis this time but I tried Raspbian and had the same problem.

As far as the USB hub, I have used it for several things, and never had an issue. I'll try it without the hub and 1 miner.

And it's a powered USB hub capable of supplying a full 500mA to each port?

Yea the Hub is on the list. Trendnet TU2-700. It has a 2a power supply.

Oh yea I remembered I cant try it without the hub. No power in the main USB header.
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