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Author Topic: Due vs PCD8544 (LCD Nokia 5110)  (Read 252 times)
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Hi,
I have good experience with this LCD and Uno. Everything works OK.
But now I ordered Due and I am not able get this LCD working. I tried several libraries on net but without success.
Thank you for help
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you might check the voltage levels ... 3.3V  versus 5.0V
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Rob Tillaart

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My LCD is 3.3V capable, I think it is not problem.
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can you post the datasheet of the LCD?

is the LCD I2C ?
or parallel? 
8 or 4 data lines?
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Rob Tillaart

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This tutorial work on Uno but not Due: http://playground.arduino.cc/Code/PCD8544
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there might be some pins different on the DUE?
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Rob Tillaart

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I tried several configurations and pin mapping but without success
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time for a multimeter and verify voltages and signals?

Can your Due drive leds on those pins?
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Yes, all pins are OK and Led is working. It seems like the problem is caused by Due architecture different than Uno
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Nokia 5110 + arduino Due

VCC                       3.3V
GND                      GND
SCE                        any digital pin (10 for example)
RST                        6
D/C                       8
DNK(MOSI)        MOSI  (MOSI PIN header SPI)
SCLK                    SCK  (SCK PIN header SPI)
LED                      3.3V

Library:
LCD5110_Graph ---->  Henning Karlsen
LCD5110_Basic  ----> Henning Karlsen

LCD5110 myGLCD(SCK,MOSI,8,6,10);

« Last Edit: Today at 06:47:45 am by TFTLCDCyg » Logged

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Thank you.
This one works. But why not other?
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