How to properly test Nokia 5110 display (PCD 8544)

With WiringPi (software spi)

http://binerry.de/post/25787954149/pcd8544-library-for-raspberry-pihttps://github.com/binerry/RaspberryPi/tree/master/libraries/c/PCD8544

Caveats

Blue pcb -> LED has to be Up to have backlight.

Specs : http://skpang.co.uk/catalog/images/lcd/graphic/docs/User_Manual_ET_LCD5110.pdf

With some displays (coming from china), there might be some tweaks needed :

  • changing LCD bias mode from 0x14 to 0x15 or even 0x17
  • Tweaking the contrast (LCD Vop)
  • Putting everything to low before starting anything

http://forum.arduino.cc/index.php?topic=148359.0http://forum.arduino.cc/index.php?topic=197299.0http://forum.arduino.cc/index.php?topic=229873.0http://playground.arduino.cc/Code/PCD8544https://github.com/bbx10/esp-pcd-bitcoin


Published 14th Mar 2016 // #arduino #rpi #bpi




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