LCD2004 IIC/I2C Blue Backlight
LCD 1602 IIC/I2C Blue BlacklightAs we all know, though LCD and some other displays greatly enrich the man-machine interaction, they share a common weakness. When they are connected to a controller, multiple IOs will be occupied of the controller which has no so many outer ports.
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LCD 1602 IICI2C bus is a type of serial bus invented by PHLIPS. It is a high performance serial bus which has bus ruling and high or low speed device synchronization function required by multiple host system. I2C bus has only two bidirectional signal lines, Serial Data Line (SDA) and Serial Clock Line (SCL). The blue potentiometer on the I2C LCD2004 is used to adjust backlight to make it easier to display on the I2C LCD2004./I2C Blue Blacklight
More information: http://wiki.sunfounder.cc/index.php?title=I2C_LCD2004
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