#arduino

How to properly test Nokia 5110 display (PCD 8544)

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

How to properly test Nokia 5110 display (PCD 8544) With WiringPi (software spi) http://binerry.de/post/25787954149/pcd8544-library-for-raspberry-pi https://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