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LCD Noise?

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Tobias

Joined May 19, 2008
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When I test this project with my ignition tester running, all of my outputs are working correctly. However the NewHaven display part number NHD-0420D3Z-FL-GBW seems to be picking up noise because the text goes nuts. I turn off the ignition and repower the PIC and the text is correct. Apparently the serial stream is acquiring a bit of noise. Can I fix this with a Cap or a pull-down resistor between signal and ground? I am using 9600 as the baud rate
 
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