# MicroPython + ESP32 + I2C-LCD-2x16-Modul  Teil 1
import machine
from machine import Pin, SoftI2C
from lcd_api import LcdApi
from i2c_lcd import I2cLcd
from time import sleep

I2C_ADDR = 0x27
totalRows = 2       # zwei Zeilen
totalColumns = 16   # 16 Zeichen je Zeile
SDA_Pin = 21     # D21 - gelb   - SDA
SCL_Pin = 22     # D22 - orange - SCL

i2c = SoftI2C(scl=Pin(SCL_Pin), sda=Pin(SDA_Pin), freq=10000) 
lcd = I2cLcd(i2c, I2C_ADDR, totalRows, totalColumns)
lcd.display_on()
lcd.backlight_on()
lcd.putstr("I2C LCD 2x16")
i=0
while True:
    i = i+1
    sleep(1)
    lcd.move_to(0,1)    # Zeichen i%6, Zeile 2
    lcd.putstr("              ")
    lcd.move_to(i%6,1)    # Zeichen i%6, Zeile 2
    lcd.putstr(str(i) + ". Duchlauf")
    sleep(1)    
    #lcd.backlight_off()
    #lcd.display_off()
    sleep(0.25)    
    #lcd.backlight_on()
    #lcd.display_on()
    #lcd.clear()