from machine import Pin, I2C
import dht
import ssd1306

# 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)


# 设置DHT22传感器引脚  
dht_pin = machine.Pin(15, machine.Pin.IN)  
  
# 创建DHT22传感器对象  
dht_sensor = dht.DHT22(dht_pin)

def gain_dht22_datas():  
    # 获取DHT22数据 :温度和适度 
    dht_sensor.measure()  
    return dht_sensor.humidity(), dht_sensor.temperature()



oled.text('Hello, Wokwi!', 10, 10)      
oled.show()