import machine
from machine import Pin, SoftI2C
from lcd_api import LcdApi
from i2c_lcd import I2cLcd
from time import sleep
from machine import ADC
import random 
from random import randint
potwert_r=randint(0,19)
potwert_r2=randint(0,3)
I2C_ADDR = 0x27
totalRows = 2
totalColumns = 16
i2c = SoftI2C(scl=Pin(22), sda=Pin(21), freq=10000)     #initializing the I2C method for ESP32
#i2c = I2C(scl=Pin(5), sda=Pin(4), freq=10000)       #initializing the I2C method for ESP8266

lcd = I2cLcd(i2c, I2C_ADDR, totalRows, totalColumns)
potwert_old=4096
potwert2_old=4096
pot=ADC(Pin(34))
pot2=ADC(Pin(35))
while True:
    potwert=pot.read()
    potwert2=pot.read()
    potwert2=int(potwert2/1365)
    potwert=int(potwert/273)
    if potwert!=potwet_old or potwert2!=potwert2_old:
        lcd.clear()
        lcd.move_to(potwert, potwert2)
        lcd.putstr("*")
        potwert_old=potwert
        potwert2_old=potwert2
    if potwert==potwert_r and potwert2==potwert_r2:
        potwert_r=randint(0,19)
        potwert_r2=randint(0,3)
        lcd.clear()
        lcd.move_to