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Topics - kelauder

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OLEDs / Troubleshooting Help
« on: September 02, 2015, 12:16:50 PM »
I have a NHD-0420CW-AR3.  I am programming it with a PIC24 using the SPI bus, powered using 3.3v.  I have determined that I can talk to the device because I can successfully receive the ID byte with two consecutive reads of the  Busy Flag/Part ID command.

My issue is that the screen is just plain dark. 

Is there anything I can do to trouble shoot what might be going on? 

Is there some sort of test mode that can be initiated?

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