Dot matrix LCD : the CGRAM

The dot-matrix character LCD modules are run by dedicated integrated circuits, whose parent is the Hitachi HD44780. Refer to its characteristics, such as a de facto standard, many other similar integrated.

In addition to a set of characters fixed in ROM, have the ability to handle a certain number of symbols created by user and saved in a CGRAM. Let's see how to use this function

---

 

INDICE

---