LCD display screen is an digital display module and find a wide range of functions. A 16x2 LCD display is very fundamental module and could be very commonly used in varied gadgets and circuits. These modules are most popular over seven section and other multi section LED`s. The explanations being: LCDs are economical; easily programmable; have no limitation of displaying special & even customized character (in contrast to in seven segments), animation and so forth. A 16x2 LCD means it might show 16 characters per line and there are 2 such strains. In this LCD each character is displayed in 5x7 pixel matrix. This LCD has two registers, specifically, Command and Knowledge. The command register stores the command directions given to the LCD. A command is an instruction given to LCD to do a predefined job like initializing it, clearing its display, setting the cursor position, controlling show and so on. The information register stores the info to be displayed on the LCD. The information is the ASCII value of the character to be displayed on the LCD. Click on to be taught extra about inside construction of a LCD. LCD stands for liquid crystal display. They arrive in many sizes 8x1 , 8x2 ,10x2, 16x1 , 16x2 , 16x4 , 20x2 , 20x4 ,24x2 , 30x2 , 32x2 , 40x2 etc . Many multinational corporations like Philips Hitachi Panasonic make their very own special sort of lcd`s for use of their products. Now ready to write code to Display on LCD. Turn in your Raspberry Pi and Open the terminal window.