from machine import ADC, Pin
import time
from ADC import LDR 
import ssd1306 # Importa el módulo para controlar pantallas OLED
import machine  

i2c = machine.SoftI2C(scl = machine.Pin(21), sda = machine.Pin(22))

pin = machine.Pin(21,machine.Pin.OUT)
pin.value(0)
pin.value(1)

oled_ancho = 128
oled_alto = 64
oled = ssd1306.SSD1306_I2C(oled_ancho,oled_alto,i2c)

# inicializa una LDR
ldr = LDR(34)
while True:
    # Lee un valor del LDR
    value = ldr.value()
    print('value = {}'.format(value))
    oled.fill(0)
    oled.text('value = {}'.format(value), 0, 0)
    oled.show()
    # Retardo
    time.sleep(3)