Hi Jasem,
I thought so too, so I plugged the rpi into mains and the CCD into main power as well, expecting there to be enough 'juice'
All devices turn on and talk to ekos, but as soon as I turn on the cooling for the CCD the Pi briefly looses power - knocking the keyboard and mouse out and then the tracking on the mount turns off. Keyboard and mouse come back online but not tracking and I can not change any settings of the mount.
I tried with the mount plugged into mains next - and again, all devices are all fine until I turn on the cooling. The Pi dips in power (even though the Pi and the CCD or mount are plugged into mains) and causes keyboard, mouse and goto mount to briefly loose power, which knocks tracking out.
I have tried plugging in the devices into alternate USB ports, but still the same issue persists when turning cooling on.
Anyone have any suggestions? 
I have no hair left to pull out... 
Thinks in advance
 

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