from machine import I2C, Pin
from esp8266_i2c_lcd import I2cLcd
_init()

DEFAULT_I2C_ADDR = 0x3F # Или 0x27 в зависимости от модели микросхемы на плате

i2c = I2C(scl=Pin(5), sda=Pin(4), freq=400000)
lcd = I2cLcd(i2c, DEFAULT_I2C_ADDR, 2, 16)
lcd.backlight_on()

char1 = [
0b00000,
0b00000,
0b01010,
0b01010,
0b00000,
0b10001,
0b01110,
0b00000
]

char2 = [
0b10101,
0b10101,
0b10101,
0b01110,
0b10101,
0b10101,
0b10101,
0b00000
]

lcd.custom_char(0, char1)
lcd.custom_char(1, char2)

lcd.move_to(0,0)

lcd.putchar(chr(0))
lcd.putchar(chr(1))