import dht
from time import sleep
from machine import Pin

sensor = dht.DHT22(Pin(22))
logFile = open('log.txt', 'a')
while True:
  try:
    sleep(2)
    sensor.measure()
    temp = sensor.temperature()
    hum = sensor.humidity()
    # temp_f = temp * (9/5) + 32.0
    print('Temperature: %3.1f C' %temp)
    # print('Temperature: %3.1f F' %temp_f)
    print('Humidity: %3.1f %%' %hum)

    logFile.write('TEMP:' + str(temp) + ';HUMID:' + str(hum) + '\n')
  except OSError as e:
    print('Failed to read sensor.')