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Unread 07-07-2012, 22:31
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Re: Turning LEDs on/off

Quote:
Originally Posted by flameout View Post
Reversing polarity on a LED will not damage the LED (or the Digital Sidecar, for that matter) -- it will simply not night.
Caution: the above is true only if driving the LED with a source whose open-circuit voltage is less than the reverse voltage which would damage the LED.

A high voltage high impedance source might work fine in the forward direction but damage the LED if polarity is reversed.