From the datasheet, the LCD can display more characters
From the datasheet, the LCD can display more characters

From the datasheet, Grove I2C RGB LED has capabilities to display
characters that are assigned to over 127 codes.
http://www.seeedstudio.com/wiki/images/0/03/JHD1214Y_YG_1.0.pdf

Seeed-Studio/Grove_Drivers_for_Wio,Seeed-Studio/Grove_Drivers_for_Wio