I'm using windows 7 and on Raspberry Pi there is the latest version of NOOBS. Next I've installed firts application for to put Raspbian. Now when I turn on my raspberry pi, there are some script. I've download cgminer but not setted. I've followed this guide:
https://www.raspberrypi.org/forums/viewtopic.php?t=103046&p=730020. I don't know how to set and start mining and how to set more then one antminer U3
You can try to use Minera with your Raspberry, really simple to use, just push the image to your SD Card, put it on the Rasp, turn it on, and connect to your minera IP in your browser: http://<rasp-IP>/minera/
http://getminera.comForum thread here if you are in trouble:
https://bitcointalk.org/index.php?topic=596620.0