模块DHT11图片
模块连接:
代码:
import time
import dht
import network
from umqttsimple import MQTTClient
from machine import Pin,ADC
# 设置温湿度传感器引脚
dht_pin = Pin(4, Pin.IN, Pin.PULL_UP) # 将传感器引脚连接到ESP32的GPIO 4引脚
# 创建DHT对象
dht_sensor = dht.DHT22(dht_pin)
def ReadTemHum():
# 读取传感器数据
dht_sensor.measure()
# 获取温度和湿度
temperature = dht_sensor.temperature()
humidity = dht_sensor.humidity()
data=[temperature,humidity]
# 打印温度和湿度
print("温度:%d,湿度:%d" % (temperature, humidity))
return data
while True:
time.sleep(1)
ReadTemHum()