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Unread 09-02-2009, 07:22
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: drivers station digital input trouble

Chris,
Without the pullup resistors, the high input impedance of the devices used, can respond to anything including your hand, a closeby radio station, even a CFL or a plasma TV screen.
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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.