from libreria import HCSR04
from machine import Pin,I2C
from time import sleep
import ssd1306 

i2c=I2C(0,scl=Pin(27),sda=Pin(14))
oled_width=128
oled_heiht=64
oled=ssd1306.SSD1306_I2C(oled_width,oled_heiht,i2c)
medidor=HCSR04(trigger_pin=13,echo_pin=12)
led=Pin(26,Pin.OUT)

establecido=int(input("Ingresa la distancia:"))

while True:
    oled.text('Alerta',0,10)
    oled.text('Distancia',0,40)
    
    distancia=medidor.distance_cm()
    oled.text(str(distancia),40,40)
    oled.show()
    if distancia>establecido:
        oled.text('Peligro',40,10)
        oled.show()
        led.on()
      
    else:
        led.off()
    oled.fill(0)
    
    
    sleep(1)