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Unread 02-01-2009, 15:43
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: Save you a heart attack!

I have it on good authority that the 24 volt voltage convertor that is intended to power the CRIO stops functioning when the input voltage is 4.5 volts or less. Make that 5 or 6 volts to be sure and you should be alright. A dead battery could register a very low terminal voltage under load and then return to 12 volts with no load on the battery. That is why, I don't recommend using a voltmeter to check for battery charge condition.
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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.