LCD2004 20×4 LCD Character Display with HD44780 Tutorial (All Switches and LEDs, No Microcontroller)

This tutorial covers interfacing with an LCD2004 20x4 LCD Character Display module with an HD44780 controller using only switches and simple components on a breadboard.

0:00 Introduction
0:21 LCD2004 available options
1:21 Power, contrast and back light
2:29 Control lines
6:02 Initialization
7:41 Writing to the screen
8:58 Enable line debouncing
10:51 Cursor positioning, interlaced memory layout
17:27 Reading data
20:04 CGRAM custom characters
21:05 Shifting the display left/right
22:11 Ending: Space Invaders playfield

HD44780 Datasheet: https://www.sparkfun.com/datasheets/L...

This video was inspired by the work of many other amazing creators on YouTube including:
- Ben Eater    / beneater  
- James Sharman    / weirdboyjim  
- Julian Ilett    / julius256  


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