Thread: Line Sensors
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Unread 18-01-2011, 11:04
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Re: Line Sensors

Quote:
Originally Posted by JohnHorton View Post
We also found that the voltage swing in ours was not enough to swing the DIO port, as the white wire went from 0.4v to 0.7v.
That suggests your Digital Sidecar is not functioning properly. What is the voltage on its signal pin when nothing is connected to it? It should be 5 volts. The resistor you've added just duplicates what the DS is supposed to have present already.

Quote:
It could detect the retroreflective tape eight feet away.
While that's impressive, it might confuse others reading this thread. Keep in mind that the gaffer's tape on the floor is not retroreflective.