from machine import Pin, I2C, ADC
from lcd_api import LcdApi
from pico_i2c_lcd import I2cLcd
import utime


ADC_VREF_mV = 5000.0   
ADC_RESOLUTION = 1024.0
PIN_LM35 = 14  


adc = ADC(Pin(PIN_LM35))
lcd = I2cLcd(I2C(0), 0x27, 2, 16)

def convertir_temperatura(adc_value):
    
    milliVolt = adc_value * (ADC_VREF_mV / ADC_RESOLUTION)
    
    tempC = milliVolt / 10
    tempF = tempC * 9 / 5 + 32  
    return tempC, tempF

def main():
    while True:
        adc_value = adc.read()
        tempC, tempF = convertir_temperatura(adc_value)

        lcd.move_to(0, 0)  
        lcd.putstr("{:.2f}°C".format(tempC)) 
        lcd.move_to(0, 1)  
        lcd.putstr("{:.2f}°F".format(tempF))  
        
        print("{:.2f}°C ~ {:.2f}°F".format(tempC, tempF))

        utime.sleep(0.5)  

if __name__ == "__main__":
    main()