Feature:
This is I2C adapter for Graphic LCD 128x64, very suitable for interactive work with , Raspberry.
In this adapter used driver MCP23017. For instruction and libraries you can find information here: www.gammon.com.au/forum/?id=10940
For change I2C adress you can folow infromation on bottom side of board.
Control of backlight: Normal backlight use power 5V from +5V and can ajust with potentiometer. If you need control of backlight from microcontroller, pls cut-off connection of backlight on top side of board, and connect the Pin LED+ to any PWM out of microcontroller.
In set have male pin-headers for connecting adapter to Graphics LCD screen.
Package includes:
3 x Graphic LCD 12864 Adapter Module