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Unread 21-01-2011, 16:11
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Re: How should we wire the photoswitchs?

Quote:
Originally Posted by tommy0019 View Post
There is a set of two pins right next to those 14 that are labeled pwr and (-). i am guessing that they supply power to the digital i/o pins. we put a volt meter on the pins and the supplied power when the jumper was connected.
Those pins are only an extra ground/5v set for devices that just need power.
Do not use a jumper to short those.

The Digital I/O was shorted out by that...
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Last edited by Mark McLeod : 21-01-2011 at 16:14.