i have this blue LCD LCD SM12864E00 SM12864E00
and i have wring it as PDF datasheet say, and i'm sure that wiring is correct cause i read the same ports on another website
but the lcd won't show me anything !!! no any text appear on it even use different resistant for constant or make it 5V or 0V nothing i have tried everything.
i try alot of libs like
LCD12864 playground of arduino and so many, not work just the background blue light is work but no text or anything else
pls guys help me out the local suppliers said it's work but i shall search on internet !!!
arduino mega 2560 work100% i test another parts and it works