from machine import Pin, I2C
from time import sleep
import dht 
import ssd1306

sensor = dht.DHT22(Pin(12))
i2c = I2C(0, scl=Pin(22), sda=Pin(21))
#sensor = dht.DHT11(Pin(14))

oled_width = 128
oled_height = 64
oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c)
while True:
  try:
    sleep(2)
    sensor.measure()
    temp = sensor.temperature()
    hum = sensor.humidity()
    temp_f = temp * (9/5) + 32.0
    oled.text('Temperature:', 10,10)
    oled.text('%3.1f C' %temp, 10,20)
    oled.show()
    print('Temperature: %3.1f C' %temp)
    print('Temperature: %3.1f F' %temp_f)
    print('Humidity: %3.1f %%' %hum)
  except OSError as e:
    print('Failed to read sensor.')