Geeetech

Using Arduino 0023 it works, so it is a software issue and the hardware is working well.

Thank you very much for your support!

For the wiring, please see the picture in the attachment.

With the linked library, I get the following error in Arduino 1.0.1 (tested both on Fedora 17 and Mac OS X 10.7):

/Users/user/Documents/Arduino/libraries/LCD5110_Basic/LCD5110_Basic.h:70: error: 'uint8_t' does not name a type
LCD5110_Bitmap.cpp: In function 'void loop()':
LCD5110_Bitmap.pde:-1 ...

I followed exactly your Arduino instructions from the wiki but all I get is the blue background light, otherwise the module seems dead. There is no visible change besides that the background lighting is on. I suspect that it is dead on arrival, how can I check? I tripe checked all the connections ...