Flip dot Python example for Raspberry Pint meetup

flipdot_raspberry_pint.py

from pyflipdot.pyflipdot import HanoverController
from pyflipdot.sign import HanoverSign
from serial import Serial
import random
import time

ser = Serial('/dev/ttyUSB0')
controller = HanoverController(ser)

sign = HanoverSign(address=6, width=84, height=7)
controller.add_sign('office', sign)

image = sign.create_image()
controller.draw_image(image)

while True:
    x = random.randint(0, 83)
    y = random.randint(0, 6)
    image[y, x] = random.choice([True, False])
    print(f"{x} {y}")
    controller.draw_image(image)
    time.sleep(1)