Please follow the instruction from Adafruit to prepare your RGB LCD Shield. http://learn.adafruit.com/adafruit-16×2-character-lcd-plus-keypad-for-raspberry-pi After essambling your Adafruit LCD Shield kit and downloading all the necessary requirements to run it with I2C. A few complaints about 0x20 address cannot be accessed via I2C. Make sure you change your bus number in…