This module integrates DHT11 sensor and other required components on a small PCB. The DHT11 sensor includes a resistive-type humidity measurement component, an NTC temperature measurement component and a high-performance 8-bit microcontroller inside, and provides calibrated digital signal output. It ...
根据时序图可以知道,主机(立创·天空星)发送一次开始信号,待主机开始信号结束后,DHT11 发送响应信号,送出 温湿度数据,并触发一次数据采集给下一次数据读取作准备。因此完成一次数据读取需要进行起始信号、响应信号、数据接收、结束信号。 读取数据步骤: 起始信号:主机(立创·天空星)接入数据线的I/O输出低电平,且低电...
Introduction ThisDHT11 Temperature and Humidity Sensorfeatures a calibrated digital output temperature and humidity sensor module. Its technology ensures high reliability and excellent long-term stability. A high-performance 8-bit microcontroller is connected. This sensor includes a resistive element and wet...
DHT11 是一款温湿度传感器,可以用来测试环境温湿度,该传感器的的温度测量范围为 0 ~ 50°C,误差为 2 °C;湿度测量范围为在 0°C时为30%-90%RH,环境温度为 25°C时,湿度测量范围为20%-90%RH,在50°C时,测量范围是20%-80%。 DHT11 传感器接线方法并不复杂,DHT11封装有4个引脚,各个引脚说明如下: 一般...
关键词: 8051 DHT11 复合传感器 性价比极高 ABSTRACT DHT11 digital temperature and humidity sensors is a section contains the already calibration digital signal output humidity composite sensor. It used special digital module collection technology and humidity sensor technology to ensure product has high ...
Aosong DHT11温湿度传感器产品说明书 Temperature and humidity module DHT11 Product Manual www.aosong.com
Dht11 Digital Capacitive Single Bus Temperature and Humidity Sensor Module, Find Details and Price about Temperature and Humidity Sensor Module DTH11 from Dht11 Digital Capacitive Single Bus Temperature and Humidity Sensor Module - Cheemi Technology Co.,
Dht11 Digital Temperature and Humidity Sensor Module for Projects, Find Details and Price about Digital Temperature Module Humidity Sensor Module from Dht11 Digital Temperature and Humidity Sensor Module for Projects - Cheemi Technology Co., Ltd.
DHT11: The DHT11 digital temperature and humidity sensor is a temperature and humidity composite sensor with a calibrated digital signal output. It uses dedicated digital module acquisition technology and temperature and humidity sensing technology to ensure high reliability and excellent long-term stabili...
sensor data by dynamic */ static void cat_dhtxx(void) { dht_device_t sensor = dht_create(DATA_PIN); if(dht_read(sensor)) { rt_int32_t temp = dht_get_temperature(sensor); rt_int32_t humi = dht_get_humidity(sensor); rt_kprintf("Temp: %d.%d 'C, Humi: %d '% \n", temp/...