PCF2119 - An Arduino Library An Arduino library for the PCF2119 used in the TIAN MA A2C00096100 LCD Modul Connection and wiring © Mario L. (mlatzig) @ mikrocontroller.net Where to get the module https://www.pollin.de/p/lcd-modul-tian-ma-a2c00096100-121581 Based on work of this greate guys https://www.mikrocontroller.net/topic/434123 Displaycontroller Datasheet https://www.nxp.com/docs/en/data-sheet/PCF2119X.pdf