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)

heart = bytearray([
  0x00,
  0x00,
  0x1B,
  0x1F,
  0x1F,
  0x0E,
  0x04,
  0x00
])
lcd.custom_char(0, heart)

while True:
    lcd.move_to(0, 0)
    lcd.putstr(chr(0))
    lcd.move_to(1, 1)
    lcd.putstr(chr(0))
    sleep(0.5)
    lcd.clear()
    sleep(0.5)