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 Robotics / Handy Board / *8170 (-5)
  Re: Underwater Sensors
 
(...) First off, beware that ordinary tap water contains dissolved impurities and is electrically conductive. (Water itself, BTW, is actually an insulator - it's the dissolved impurities that give it conductivity). It usually isn't an issue with (...) (24 years ago, 12-Feb-01, to lugnet.robotics.handyboard)
 
  Check out this site!
 
Terry Gathright came across this great site and thought you might want to check it out. We hope you enjoy it! (URL) Gathright wrote: Hi Guys, Check this location for some hi power motor drivers, I have ordered two of the 35 amp boards and will let (...) (24 years ago, 12-Feb-01, to lugnet.robotics.handyboard)
 
  Re: downloading pcode
 
Make sure that your phone wire between the HB and interface board has four wires, most generic phone wires only have two wires in them. -Dan (...) and (...) MAX232 (...) I (...) any (...) (24 years ago, 12-Feb-01, to lugnet.robotics.handyboard)
 
  Re: Underwater Sensors
 
James, maybe a moisture sensor out of a VCR could be modified to meet your needs??? They are made to detect condensation in VCR's. but if all else fails... water is a conductor, so you could theoreticly just put two bare contacts on the outer part (...) (24 years ago, 12-Feb-01, to lugnet.robotics.handyboard)
 
  Re: Short Circute Problem -- EMERGENCY
 
Raju, I have a handyboard version 1.21, on this board the battery led is working properly when it lights at power on and then goes off. According to the manual it should only remain lit when the power is too low indicating a dead battery. So I (...) (24 years ago, 12-Feb-01, to lugnet.robotics.handyboard)


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