Quote:
Originally Posted by Tandum
Here's one I'm knocking up for AlexN. The controller board is from Oatley Electronics, $25 delivered. 2 controlled outputs on top and 3 12v raw outputs on the left. Cheap and functional 
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Looks Like a nice kit. On a small side track, has anybody ever seen a gadget (kit or built) that is a USB-controllable PWM 12V supply? My thought is for a generic PC-controllable variable supply that can be used for focusers, dew heaters, lights, whatever.
I am aware JMI etc sell such an item for focusers, just wondered if there was a kit or similar project floating around so that a general purpose USB 'control box' could be built for the obs.
The world of RC hobby electronics has many such potential items, as does computer overclockers accessories.
If this is more suited to it's own thread, please feel free to let me know.