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Old Nov 15, 2012, 07:41 AM
jerry_hu is offline
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Joined Nov 2012
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Hi Ian, I tried two pcs of 1602lcd, both have no words dispaly, maybe it's not LCD issue, is it possible the USB host shield PCB problem ? or ARDUINO MEGA1280 I/O D2~D7 problem? or , I re-upload the code again?
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