Thread: Help with Andymark LED strip
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Unread 03-12-2014, 21:58
Mike Bortfeldt Mike Bortfeldt is offline
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Re: Help with Andymark LED strip
I can't tell from your pictures, but it looks like you may be using two separate power supplies without a common ground. Try connecting the grounds together and see if that works. Without a common ground, the led strip may not be interpreting the signals correctly. Another option is to power your Arduino from the same source as the LED strip.

Mike