µ[micro]electronics info - HD44780

FPGA Interfacing of LCD module

admin — Wed, 21 Oct 2009 20:01:23 +0000

This project is about interfacing a typical HD44780 Text LCD to an FPGA using delay elements with a Finite State Machine (FSM).

Simple AVR LCD terminal

admin — Thu, 01 Jan 2009 23:50:31 +0000

An AVR LCD terminal for the serial port with character LCD and pushbuttons

Custom characters on HD44780-based LCD display

admin — Sun, 08 Jun 2008 11:47:49 +0000

This article discusses how to overwrite bytes in the CGRAM to display custom bit-map graphics on a Hitachi HD44780-compatible character LCD display. A method is described of transforming a raster image to an array of values that are a monochrome bit-map representation of the original.