Quote:
Originally Posted by Al Skierkiewicz
JC,
Is the tape you are using the shiny gaffer's tape? Some highly reflective tapes may not sense as well as others. the fact that you can sense with the snesors pointed away indicates that reflection may be a problem for your tape.
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Funnily enough we couldn't find any gaffers/duct tape in the shop. This was with regular electrical tape more to test the wiring. Reflection undoubtedly was the problem.
That said, I was impressed with how well the sensor would detect a single stripe of electrical tape at 6" or more. Calibration is easy too.
I never cease to be amazed at the creative engineering employed by some teams. - Karthik [more] 
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