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 Robotics / RCX / 449
  Radio Shack CDS cells in parallel
 
When I first checked out the Radio Shack CDS cell five packs, the cells were all alike, about 1/4 inch and flat on two sides. But when I went back, I found some packs that had different cells. They had three of the usual small ones and a 1/2 inch (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx)
 
  Re: Radio Shack CDS cells in parallel
 
(...) I built a sensor out of one of those and it works fine, so yours is probably defective. I superglued mine to the top of a 2x2 brick with the studs removed. You can see my high tech design at (URL)I tried this idea and it worked. You can put (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx)
 
  Re: Radio Shack CDS cells in parallel
 
(...) ----- True, but the RS CDS cells are cheap and using them in parallel or series also changes the response range, since all the resistances change with light levels. This would be most dramatic in the series connected case at the low resistance (...) (25 years ago, 9-Feb-00, to lugnet.robotics.rcx)

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