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Bizarre Behavior with N2 with Events, Interrupts, and other peripherals. Need Help.

Started by gismo , Dec 14 2013 04:14 AM

interrupts events drivers tlc5940 rotary encoder

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21 replies to this topic

#21 gismo

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Posted 21 April 2014 - 12:07 PM

@jrlyman3,

Do you have any good suggestions for isolation? For both situations...prototype level with breadboard and jumpers and for PCB design?
Thanks

#22 jrlyman3

Advanced Member

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67 posts

LocationNorth St Paul. MN

Posted 22 April 2014 - 01:34 AM

Well, in both cases you want to keep the PWM wires / traces away from the other wires / traces. In a fancy multi-layer PCB you would put those signals on a separate plane and put a ground or DC power plane on each side. In the proto case just use wires that are long enough to keep them away from everything else. When you do a PCB you could try to put the PWM traces on the back side of the board and keep most of the rest on the top side of the board (or the other way around).

Good luck. Sounds like a fun project.

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