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

i2c = I2C(1, sda = Pin(2), scl = Pin(3), freq = 400000)
dsp = SSD1306_I2C(128, 64, i2c)

r = 20
xCenter = 64
yCenter = 32

for deg in range(0,360,1):
  rads = deg * 2 * 3.17 / 360
  x = r * math.cos(rads) + xCenter
  y = r * math.sin(rads) + yCenter
  dsp.pixel(int(x), int(y), 1)
  dsp.show()