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Author Topic: Connecting Arduino to PIC  (Read 1759 times)
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fungus
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« Reply #30 on: January 09, 2013, 07:58:10 am »
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Quote from: retrolefty on December 26, 2012, 09:39:04 pm
OK maybe a dumb question but I have to ask anyway. You do have a common ground wire connected between the arduino and the PIC, correct?

Ya beat me to it...
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AWOL
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I don't think you connected the grounds, Dave.
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« Reply #31 on: January 09, 2013, 08:15:07 am »
 Bigger Bigger Smaller Smaller Reset Reset
Quote from: fungus on January 09, 2013, 07:58:10 am
Quote from: retrolefty on December 26, 2012, 09:39:04 pm
OK maybe a dumb question but I have to ask anyway. You do have a common ground wire connected between the arduino and the PIC, correct?
Ya beat me to it...
Only two weeks later...
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siyete
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« Reply #32 on: January 09, 2013, 09:42:49 am »
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does using the same power source not cover the common ground?..
they are parallel connected to the source..
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Docedison
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« Reply #33 on: January 10, 2013, 07:41:01 pm »
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I think the point is that the pin marked "Input to Pic" should Not be grounded as it is also the output pin from the Arduino and would defeat the circuits proper operation.

Bob
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“The solution of every problem is another problem.” -Johann Wolfgang von Goethe

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