Help on grove lcd rgb backlight with arduino

Hello,

I'm using

  • arduino leonardo
  • grove base shield to connect the sensors
  • grove temperature and humidity sensor pro ( connected to A0 of base shield )
  • grove lcd rgb backlight ( connected to I2C of base shield )

Using arduino software, i would like to display the sensed data on the grove lcd rgb backlight display.
Anybody knows how to do?

Thanks.