How to properly test Nokia 5110 display (PCD 8544)

With WiringPi (software spi)


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

Specs :

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

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

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