#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))'''

import machine  
from machine import Pin, SoftI2C  
from lcd_api import LcdApi  
from i2c_lcd import I2cLcd  
from time import sleep 
import dht
sensor=dht.DHT22(Pin(14))
I2C_ADDR = 0x27  
totalRows = 4  
totalColumns = 20
 
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) 
  
# WRITE A MICRO PYTHON SCRIPT TO DISPLAY FATHER CONTACT NUMBER IN ROW 0 AND MOTHER IN ROW 1

while True:
	try:
		sleep(2)
		sensor.measure()
		temp=sensor.temperature()
		hum=sensor.humidity()
		temp_f=temp*(9/5) + 32.0
		print('Temperature in C:',temp,' C ')
		print('Temperature in F:',temp_f,' C ')
		print('Humidity in %:',hum,' % ')
		lcd.move_to(0,0)
		lcd.putstr('Temp in C: ')
		lcd.putstr(str(temp))
		lcd.move_to(0,1)
		lcd.putstr('Hum IN %:')
		lcd.putstr(str(hum))
	except OSError as e:
		print('Failed to read sensor')