LCD, an acronym for Liquid Crystal Display revolutionized the modern display technology with its compactness and versatility. Today it is seen embedded in various electronic gadgets and devices like T.V., Computers, Laptops, Watches, etc. A Liquid crystal coating is the heart of the display which is sandwiched between two polarized glasses. LCD’s are available in various shapes and sizes depending on the configurations. A 16×2 LCD shown in the image below can display 32 characters with 16 characters in each row. It is capable to display any character with ASCII values ranging from 0 to 255.