import HC_SR04
import neopixel_Ring
from time import sleep
print("Hello")

while True :
  d_cm = HC_SR04.distance_cm()
  print("Distance: ", d_cm, "cm")
  neopixel_Ring.leds(250 , 250 , 0)
  sleep(0.5)
  neopixel_Ring.clear_all()
  sleep(0.5)