from lcdi2c import*
from utime import sleep
from machine import Pin,ADC
from math import log
BETA = 3950
sensor=ADC(Pin(27))

cmd_wrt(0xc0+0)
string_write("LAB 6")
cmd_wrt(0xc0+8)
string_write("EMBEDDED")

def display(temp):
    cmd_wrt(0x80)
    string_write("temp:")
    string_write(str(int(temp)))
    string_write("^C")

def get_temp():
    nilai=sensor.read_u16()   #get reading in digital
    voltage=nilai/65535*3.300 #get reading in voltage
    print(nilai,voltage) 
    celsius = 1 / (log(1 / (65535.00 / nilai - 1)) / BETA + 1.0 / 298.15) - 273.15;
    print("temperature",celsius,"^C")
    return celsius

lcd_start()

while 1:
    display(get_temp())
    sleep(0.2)
    


        

main.py

diagram.json

from machine import Pin,I2C
from time import sleep

lcd = I2C(0, scl=Pin(1), sda=Pin(0), freq=400_000)
add=lcd.scan()  #scan address
print("device:",add)
lcd_address=add[0]
e=0x04
rs=0x01
rw=0x02
bl=0x08

def write(value,rs_pin,pin_bl):    
    dataline=value&0xf0
    if(rs_pin==1):
        dataline=dataline|rs
    if(pin_bl==1):
        dataline=dataline|bl
    lcd.writeto(lcd_address, bytes([dataline])) # e=0 
    sleep(0.02)
    lcd.writeto(lcd_address, bytes([dataline|e])) # e=1 
    sleep(0.02)
    
    dataline=(value&0x0f)<<4
    if(rs_pin==1):
        dataline=dataline|rs
    if(pin_bl==1):
        dataline=dataline|bl
    lcd.writeto(lcd_address, bytes([dataline])) # e=0 
    sleep(0.02)
    lcd.writeto(lcd_address, bytes([dataline|e])) # e=1 
    sleep(0.02)   

def cmd_wrt(value):  # write cmd
    write(value,0,1)

def data_wrt(value): #cmd write
    write(value,1,1)

def lcd_start():   
    cmd_wrt(0x02)
    sleep(0.1)
    cmd_wrt(0x28)
    sleep(0.1)
    cmd_wrt(0x0c)
    sleep(0.1)
    cmd_wrt(0x01)
    cmd_wrt(0x80)

def string_write(value):
    for i in value:
        data_wrt(ord(i))

def zfl(s,width):
    return '{:''>{w}}'.format(s,w=width)

def zfl_0(s,width):
    return '{:0''>{w}}'.format(s,w=width)




   