import lcdi2c as lcd
from utime import sleep

lcd.cmdwrite(0xc0+4)
lcd.strwrite("haii"+" "+"haii")
lcd.cmdwrite(0x85)
lcd.strwrite("tsttt")
sleep(1)
lcd.cmdwrite(0x01)
while 1:
    for i in range(100):
        lcd.cmdwrite(0x85)
        lcd.strwrite("count:"+lcd.zfl(str(i),2))
        sleep(0.5)



main.py

diagram.json

from machine import Pin,I2C
from utime import sleep

e=0x04
rs=0x01
rw=0x02
bl=0x08
lcd = I2C(0, scl=Pin(1), sda=Pin(0), freq=400_000)
ADD=lcd.scan()  
print(ADD) 
add=ADD[0]   #get lcd address and check lcd is available

    
def datawrite(val):
    buf=(val&0xf0)|rs|bl    
    lcd.writeto(add, bytes([buf]))
    sleep(0.001)
    lcd.writeto(add, bytes([buf|e]))
    sleep(0.001)
    buf=((val&0x0f)<<4)|rs|bl    
    lcd.writeto(add, bytes([buf]))
    sleep(0.001)
    lcd.writeto(add, bytes([buf|e]))
    sleep(0.001)

def cmdwrite(val):
    buf=(val&0xf0)|bl    
    lcd.writeto(add, bytes([buf]))
    sleep(0.001)
    lcd.writeto(add, bytes([buf|e]))
    sleep(0.001)
    buf=((val&0x0f)<<4)|bl    
    lcd.writeto(add, bytes([buf]))
    sleep(0.001)
    lcd.writeto(add, bytes([buf|e]))
    sleep(0.001)

def startlcd():
    cmdwrite(0x02)
    sleep(0.01)
    cmdwrite(0x28)
    sleep(0.01)
    cmdwrite(0x0c)
    sleep(0.01)
    cmdwrite(0x01)
    sleep(0.01)
    cmdwrite(0x80)
    sleep(0.01)

def strwrite(word):
    for i in word:
        datawrite(ord(i))

def zfl(s, width):
# Pads the provided string with leading 0's to suit the specified 'chrs' length
# Force # characters, fill with leading 0's
    return '{:0>{w}}'.format(s, w=width)

startlcd()




