• display text in I2C LCD1602
• LCD display on/off
• LCD backlight on/off
• LCD display shfit left/right

2020.2 ver 2.0

• add autoaddress() function
• add print() function
• show object in puts() function

2018.2 ver 1.0

• Initial version

• on()
  turn on LCD

• off()
  turn off LCD

• clear()
  clear display

• backlight(on)
  0 turn of backlight
  1 turn on backlight

• char(ch, x, y)
  I2show a character in given position
  x, 0-15
  y, 0-1

• puts(s, x, y)
  show string/object in given position
  x, 0-15
  y, 0-1

• print(s) print to LCD, auto wrap and scroll in line end.

copy mp_i2c_lcd1602.py to pyboard first.

from machine import I2C, Pin
from mp_i2c_lcd1602 import LCD1602
from time import sleep_ms

i2c = I2C(1, sda=Pin(9), scl=Pin(10))

LCD = LCD1602(i2c)

LCD.puts("I2C LCD1602")

From microbit/micropython Chinese community.
www.micropython.org.cn