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Unread 25-05-2005, 18:32
Unsung FIRST Hero
Al Skierkiewicz Al Skierkiewicz is offline
Broadcast Eng/Chief Robot Inspector
AKA: Big Al WFFA 2005
FRC #0111 (WildStang)
Team Role: Engineer
 
Join Date: Jun 2001
Rookie Year: 1996
Location: Wheeling, IL
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Re: 70 dollars burning up

Quote:
Originally Posted by mechanicalbrain
the camera is a http://www.supercircuits.com/index.a...OD&ProdID=4213 12 volt color camera. It was ment to run at 12 volts. the next one will have a fuse so i wont have to worry. also if just the power connecter is fried it doesnt matter since its all integrated into the camera.
Ok,
Things are getting clearer now. What was the camera connected to on the robot? Did it go to a cable that feeds a video recorder or did it feed a transmitter? As I stated before, sneak paths exist in many of these devices and the shield of the output video is tied to power common on the camera. Back feed power through the video cable and most everything on the board is going to fry. The smell you mentioned in your first post may have been the main filter capacitor blowing up. The smell of burning is nothing to the release of boiling electrolyte steam when power is applied to an electrolytic capacitor in reverse. It is possible that you somehow got the Spike polarity reversed so as stated before using the Spike is/was a bad idea. Use a breaker on the panel with nothing active in between for power source. When connecting the video output to another device be sure it is run from the same power or is insulated from the robot frame.
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Good Luck All. Learn something new, everyday!
Al
WB9UVJ
www.wildstang.org
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Storming the Tower since 1996.