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Stm32f302 interface with lcd (NHD-0420H1Z-FL-GBW-33V3)

Question asked by Bunty Gtm on Nov 18, 2017

Hello everyone, 

I am trying to interface stm32f302r8t6 to LCD (NHD-0420H1Z-FL-GBW-33V3) 

here is datasheet… 


In my LCD cursor is blinking but character is not display. Actually I am learning a programming for STM family. I attached library of LCD. could you gives me an Idea where is wrong?