#IMPORTAMOS LIBREIAS
import utime
from machine import I2C, ADC, Pin
from lcd_api import LcdApi
from pico_i2c_lcd import I2cLcd
#DEFINIMOS EL POTENCIOMETRO
adc = ADC(0)
#DIRECCION DEL I2C Y EL TAMAÑO DEL LCD
I2C_ADDR = 0x27
I2C_NUM_ROWS = 2
I2C_NUM_COLS = 16
#CONFIRACION DE LA RASPBERRY
i2c = I2C(0, scl = Pin(1), sda = Pin(0), freq=400000)
#CONFIGURACION DEL LCD
lcd = I2cLcd(i2c, I2C_ADDR, I2C_NUM_ROWS, I2C_NUM_COLS)
#ESTABLECEMOS UN METODO INSTANCIADO
def lcd_str(message, col, row):
lcd.move_to(col, row)
lcd.putstr(message)
while True:
valor = adc.read_u16()
voltaje = round(valor, 2)
lcd.blink_cursor_on()
lcd_str("Valor analogico:" , 0, 0)
lcd_str(""+str(voltaje), 0, 1)
utime.sleep(1)
lcd.blink_cursor_off()
lcd.clear()