Good idea -
I ordered 7 units, and plan to use the following gear. Will post pics and updates when the whole thing is running.
Platform - Raspberry Pi Amazon
Hub - D-Link DUB-H7 Amazon
Network - Edimax EW-7811Un Amazon
It's important that if you plan to run on RPI you should consult the list of verified powered hubs which can be found here http://elinux.org/RPi_VerifiedPeripherals#Powered_USB_Hubs
I received my Erupters this evening and I have some more data to help similar users.
I am using the Raspberry PI to mine with MinePeon http://mineforeman.com/minepeon/
I had to manually configure wlan0 using these instructions https://wiki.archlinux.org/index.php/Wireless_Setup
The wireless driver is already included in MinePeon - but you have to write the network.service and wpa_supplimant.conf
Once the RPI was connected I had to build bfgminer from git - and even then there is a minor issue.
Seems bfgminer's -S auto will not detect the USB sticks. You therefore have 2 options, use -S all which will make bfgminer open all usb's for mining and is not advisable.
Or, you can manually list all devices like so
-S /dev/ttyUSB0 -S /dev/ttyUSB1 -S /dev/ttyUSB2 -S /dev/ttyUSB3 -S /dev/ttyUSB4 -S /dev/ttyUSB5 -S /dev/ttyUSB6
After I built bfgminer I moved it to /opt/minepeon/bin/bfgminer so MinePeon's scripts will use it.
I then edited the service file and changed the command to start bfgminer to
sudo /opt/minepeon/bin/bfgminer -S /dev/ttyUSB0 -S /dev/ttyUSB1 -S /dev/ttyUSB2 -S /dev/ttyUSB3 -S /dev/ttyUSB4 -S /dev/ttyUSB5 -S /dev/ttyUSB6 -c /opt/minepeon/etc/miner.conf --icarus-options 115200:1:1-r
(note - experimenting a bit with the icarus-options. Some people have reported using cgminer this way, I am not sure yet if it matters to bfgminer)
Finally, this code will switch MinePeon to bfgminer
sudo systemctl stop cgminer.service # Stops cgminer
sudo systemctl disable cgminer.service # Stops cgminer from starting at boot
sudo systemctl enable bfgminer.service # Makes bfgminer start at boot
sudo systemctl start bfgminer.service # Starts bfgminer
I feel I should note that these things run HOT.
I was hoping to use the 2 over-voltage ports on my hub to squeeze a little more power from these guys, but when they sit by themselves with no air flow they will burn the skin if touched.
Also hardware errors are slightly problematic. I am not sure what is normal, but a couple of my seem to be incapable of doing anything except spit out errors. (see pic)
Not sure if its the heat, the RPI, or the hub just yet.
If you found this info helpful feel free to help me out too 13vEmRoo8beAfdLc9ELw8GGAH3WTYgoEg4
Finally - here are the pics