第一步:DHT11 上电后(DHT11 上电后要等待 1秒以越过不稳定状态在此期间不能发送任何指令),测试环境温湿度数据,幵记录数据,同时 DHT11 的 DATA 数据线由上拉电阻拉高一直保持高电;此时 DHT11 的DATA 引脚处于输入状态,时刻检测外部信号。 第二步:微处理器的 I/O 设置为输出,同时输出低电平,且低电平保持时...
j+=1print"Sensor is working"#get temperaturehumidity_bit=data[0:8] humidity_point_bit=data[8:16] temperature_bit=data[16:24] temperature_point_bit=data[24:32] check_bit=data[32:40] humidity=0 humidity_point=0 temperature=0 temperature_point=0 check=0foriinrange(8): humidity+=humidity...
print"Sensor is working" #get temperature humidity_bit=data[0:8] humidity_point_bit=data[8:16] temperature_bit=data[16:24] temperature_point_bit=data[24:32] check_bit=data[32:40] humidity=0 humidity_point=0 temperature=0 temperature_point=0 check=0 foriinrange(8): humidity+=humidity_...
print "sensor is working." print data humidity_bit = data[0:8] humidity_point_bit = data[8:16] temperature_bit = data[16:24] temperature_point_bit = data[24:32] check_bit = data[32:40] humidity = 0 humidity_point = 0 temperature = 0 temperature_point = 0 check = 0 for i in...
print ("sensor is working.") print (data) #根据获取数据定义解析数据(5组二进制数据) humidity_bit = data[0:8] humidity_point_bit = data[8:16] temperature_bit = data[16:24] temperature_point_bit = data[24:32] check_bit = data[32:40] ...
print('Sensor is working') j=0 humidity_bit=data[0:8] humidity_point_bit=data[8:16] temperature_bit=data[16:24] temperature_point_bit=data[24:32] check_bit=data[32:40] humidity=0 humidity_point=0 temperature=0 temperature_point=0 ...
print "sensor is working" #print data humidity_bit = data[0:8] humidity_point_bit = data[8:16] temperature_bit = data[16:24] temperature_point_bit = data[24:32] check_bit = data[32:40] humidity = 0 humidity_point = 0 temperature = 0 ...
print ("sensor is working.") print (data) #根据获取数据定义解析数据(5组二进制数据) humidity_bit = data[0:8] humidity_point_bit = data[8:16] temperature_bit = data[16:24] temperature_point_bit = data[24:32] check_bit = data[32:40] ...
DHT11 / DHT22 Working Principle Ok now let’s see how these sensors actually work. They consist of a humidity sensing component, a NTC temperature sensor (or thermistor) and an IC on the back side of the sensor. For measuring humidity they use the humidity sensing component which has ...
// Autodetect is not working reliable, don't use the following line // dht.setup(17); // use this instead: dht.setup(5, DHTesp::DHT11);// Connect DHT sensor to GPIO 5(D1) } voidloop(){ delay(dht.getMinimumSamplingPeriod()); ...