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

# ESP32 Pin assignment 
i2c = I2C(0, scl=Pin(22), sda=Pin(21))

oled_width = 128
oled_height = 64
oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c)

sensor_data = dht.DHT22(Pin(15))
def call_dht():
    sensor_data.measure()
    global temp
    temp = sensor_data.temperature()
    print ("temperature-",temp)

while True:
    call_dht()
    oled.fill(0)
    oled.text("temperatura",0,0)
    oled.text(str(temp),110,0)      
    oled.show()