EXCLUSIVE FORUM FOR MACHINE DISMANTLERS AND REPAIR PEOPLE > East Chicago
> Light Machinery
> I2C lcd 128 x 64 graphic display with 21 x 8 line text
I2C lcd 128 x 64 graphic display with 21 x 8 line text
I2C 128 X 64 Graphic Display with 21 Character x 8 line Text
The BV4219 is a graphical LCD display that has white pixels on a blue background. The 128 x 64 pixels can be individually switched on or off producing white graphics on a blue background or blue graphics on a white background. In addition to this the I2C controller provides a text interface giving a display that is capable of displaying 21 characters over 8 rows. Text and graphics can be mixed to produce a comprehensive display system.
The display is controlled by simple I2C commands over a two wire interface thus considerably reducing component cont and interface complexity.
There is built in line, box, pixel and text drawing commands reducing the complexity of the software interface.
Above is an example of mixed text and graphics.
This shows the full character set from ASCII 0x32 to ASCII 0x7F
* Simple command set for direct interface to LCD module
* 21 characters by 8 lines giving a total of 168 displayable characters
* Box drawing functions, with or without fill.
* Size 95mm wide, 70mm tall and 23mm deep including interface board
The interface is attached to the back of the board and provides a simple I2C connection.
For a full description of the command set and other features see http://www.byvac.co.uk/bv/datasheets.htm
