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
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)

while True:
    lcd.putstr("I2C LCD Tutorial")
    sleep(2)
    lcd.clear()
    lcd.putstr("Lets Count 0-10!")
    sleep(2)
    lcd.clear()
    for i in range(11):
        lcd.putstr(str(i))
        sleep(1)
        lcd.clear()
#shows the address of liquid crystal display as 0x27. You will most likely get the same address for LCD with 16 columns and 2 rows. 
#import machine  
#sdaPIN=machine.Pin(21) #for ESP32  
#sclPIN=machine.Pin(22)  
#i2c=machine.I2C(sda=sdaPIN, scl=sclPIN, freq=10000)  
#devices = i2c.scan()  
#if len(devices) == 0:  
#	print("No i2c device !")  
#else:  
#	print('i2c devices found:',len(devices))  
#for device in devices:  
#	print("At address: ",hex(device))