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New tutorial is added in the tutorial section. Now you can learn interfacing of LCD with full details, This tutorial will help you programming LCD in assembly as well as C. I have given examples for programming both in C and assembly. Please post your comments regarding the tutorial. The topics covered are given below:

• Introduction to LCD
  Introduction of LCD type HD44780, Pin
  description and general information.
  
  
• Basics of LCD
  Basic information of LCD like registers,
  CGRAM, CGROM, DDRAM and busy flag etc.
  
  
• LCD Commands
  Information on LCD commands including list of
  useful commands that are used frequently.
  
  
• LCD Initialization
  Full information on methods to initialize LCD
  and programming examples in C and assembly.
  
  
• Checking Busy Flag of LCD
  Steps to check busy flag of lcd and
  alternative methods for delay.
  
  
• Sending command & data to LCD
  C and assembly examples for programming LCD
  and sending command and data to LCD.
  
  
• Creating custom character and patters
  Complete information on how to use CGRAM of
  LCD and to create user defined patterns.

Visit the tutorial section for more information