from espzero import LED
from time import sleep

# Define the LED connections
red = LED(13)
amber = LED(12)
green = LED(14)

# Indicate booting period
count = 0
while count<12:
  red.on()
  amber.on()
  green.on()
  sleep(0.15)
  red.off()
  amber.off()
  green.off()
  sleep(0.15)
  count = count + 1

# A function to blink the amber LED
def blink_amber():
  repeat = 0
  while repeat < 5:
    amber.on()
    sleep(0.3) # pause for 0.3 seconds
    amber.off()
    sleep(0.3)
    repeat += 1 # Increase the repetition count

# Continue to run the traffic control command FOREVER
while True:
  green.on()
  amber.off()
  red.off()
  sleep(5)
  green.off()
  amber.blink(0.3, 0.3, 5, True)
  red.on()
  sleep(5)