Quick Optical Sensor Question

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Quick Optical Sensor Question

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19-01-2003, 16:27

Greg Ross

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AKA: gwross

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Quote:

Originally posted by crazycliffy
I read from the Innovation's RC Reference Guide, says...

"Digital Inputs are "looking" only for ground signals
to become "active".. Do not connect positive voltage
to any switch or digital input pin, only ground"

If you look at the schematic on FIRST's parts spec sheet page (the leftmost NPN version), you will see that one, and only one, of white and black will be connected to ground. This comports with IFI's statement that "Digital Inputs are 'looking' only for ground signals to become 'active'."

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Greg Ross (The Grammar Curmudgeon formerly known as gwross)
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