from time import sleep_ms, ticks_ms
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

encA = Pin(13, Pin.IN)
encB = Pin(12, Pin.IN)

old_value_a = 1

count = 0


def print_lcd(data):
    lcd.clear()
    lcd.putstr(str(data))


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


while True:
    value_a = encA.value()
    value_b = encB.value()

    if value_a != old_value_a:
        if (value_a and value_b) or (not value_a and not value_b):
            print('+')
            count += 1 
            print_lcd(count)
        elif (not value_a and value_b) or (value_a and not value_b):
            print('-')
            count -= 1
            print_lcd(count)
    old_value_a = value_a