# graphics.py

from machine.Pin, I2C
from ssd1306 import SSD1306_I2C
from time import sleep

i2c=I2C(0,sda=Pin(0), scl=Pin(1), freq=400000)
oled = SSD1306_I2C(128, 64, i2c)

while True:
    oled.hline(0,32,128,1)
    oled.show()
    sleep(2)
    oled.fill(0)