This repo contains a simple library that has all necessary methods to interact with any of the PG12032D series displays from Powertip.
The documentation for each library function is over the source and as a rendered markdown file in the docs folder. The documentation for the display, its used chip and its protocol can be found in the docs/datasheet folder.
All rights to the original data sheets belong to Powertip Technology Corporation, S-MOS Systems Inc. and Avant Electronics.