import time
import utime
import random 
from machine import I2C, SoftI2C, Pin
from pico_i2c_lcd import I2cLcd

i2c = SoftI2C(sda =Pin(0), scl = Pin(1), freq = 400000)
addr = i2c.scan()[0]
print(hex(addr))

lcd = I2cLcd(i2c,addr,16,2)
lcd.clear()
lcd.move_to(0,-3)

lcd.clear()

led_red = machine.Pin(2, machine.Pin.OUT)
led_yellow = machine.Pin(7, machine.Pin.OUT)
led_green = machine.Pin(12, machine.Pin.OUT)

counter = 0 
while True:
    if counter % 31 <= 10:
        lcd.clear()
        lcd.move_to(0,-3)
        lcd.putstr("Red")
        led_green.off()
        led_yellow.off()
        led_red.on()
        time.sleep(1)
        led_red.off()
        lcd.clear()
    
    if counter % 31 > 10 and counter % 31 <= 20:
        lcd.clear()
        lcd.move_to(0,-3)
        lcd.putstr("yellow")
        led_red.off()
        led_green.off()
        led_yellow.on()
        time.sleep(1)
        led_yellow.off()
        lcd.clear()
    
    if counter % 31 > 20 and counter % 31 <= 30:
        lcd.clear()
        lcd.move_to(0,-3)
        lcd.putstr("Green")
        led_red.off()
        led_yellow.off()
        led_green.on()
        time.sleep(1)
        led_green.off()
        lcd.clear()
    counter = counter + 1