This version intends to have full support of all LCD2004/LCD1602 features, but still has some cleanup to do. 2022-12-07 - Added initial support for GPIO mode. This was coded and tested at the online ...

Bare minimum Arduino code for LCD2004 (LCD1602 with changes, etc.) and PCF8547 I2C interface chip. For when size matters. 2022-12-07 TODO: I just updated the "full" version of this code to support ...