Embedded systems frequently use HD44780-type LCD displays as it is considered the most popular alphanumeric display controller. The interface comprises at least 14 pins: eight for data, three for ...

The ubiquitous LCD (and VFD) modules based on the HD44780 controller IC can require up to 12 lines from the host. ... Figure 1 A typical LCD module. Advertisement. Partner Content. How AI is Pushing ...

Don’t forget the EPIC “LCD Megademo” & “Megademo 2” by Hedelmae. These are collections of nice, oldskool demo effects, rendered on HD44780 displays. They were released in 2003 and 2013 ...

This means you can operate the 595 chip with just two pins, but alas, you do need one more connection to drive the LCD properly. This is an HD44780 compliant display.