from machine import Pin, I2C
import time
import dht
from dht import DHT22
from pico_i2c_lcd import I2cLcd

i2c_addr = I2C(0, sda=0, scl=1)
lcd = I2cLcd(i2c_addr,0x27,2,16)

dht_pin = Pin(3, Pin.IN)

dht_sensor = dht.DHT22(dht_pin)
fahrenheit_temp = None 

def celsius_to_fahrenheit(celsius_temp):
    return max((celsius_temp*9/5)+32,0)

def detect_fever():
    dht_sensor.measure()
    celsius_temp=dht_sensor.temperature()
    fahrenheit_temp=celsius_to_fahrenheit(celsius_temp)
    return fahrenheit_temp

while True:
    temp = detect_fever()
    if temp>98.6:
        lcd.clear()
        lcd.putstr(str(temp)+"F  \n Fever detected")
    else:
        lcd.clear()
        lcd.putstr(str(temp)+"F \n No fever")
    
    time.sleep(0.5)