LCD_ADDR = 0x3c
GDK101_ADDR = 0X18
RESET_SENZOR = 0XA0
READ_STATUS = 0XB0
READ_MEASURING_TIME = 0XB1
READ_MEASURING_VALUE_TEN_MIN = 0XB2
READ_MEASURING_VALUE_ONE_MIN = 0XB3
READ_FIRMWARE_VERSION = 0XB4
DISPLAY_WIDTH = 128
DISPLAY_HEIGTH = 64
MAX_LOCATION = DISPLAY_WIDTH * DISPLAY_HEIGTH
# TEXT_HEIGHT = 15# TODO: GET TRUE VALUES
LETTER_SIZE = 8 #default size of character is 8x8