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DHT11

Aosong
Part Number DHT11
Manufacturer Aosong
Description Temperature and humidity Sensor
Published Mar 11, 2014
Detailed Description www.aosong.com DHT11 digital temperature and humidity sensor is a composite Sensor contains a calibrated digital signal...
Datasheet PDF File DHT11 PDF File

DHT11
DHT11

Overview
www.
aosong.
com DHT11 digital temperature and humidity sensor is a composite Sensor contains a calibrated digital signal output of the temperature and humidity.
Application of a dedicated digital modules collection technology and the temperature and humidity sensing technology, to ensure that the product has high reliability and excellent long-term stability.
The sensor includes a resistive sense of wet components and an NTC temperature measurement devices, and connected with a high-performance 8-bit microcontroller.
HVAC, dehumidifier, testing and inspection equipment, consumer goods, automotive, automatic control, data loggers, weather stations, home appliances, humidity regulator, medical and other humidity measurement and control.
Low cost, long-term stability, relative humidity and temperature measurement, excellent quality, fast response, strong anti-interference ability, long distance signal transmission, digital signal output, and precise calibration.
4、Dimensions (unit: mm) Aosong(Guangzhou) Electronics Co.
,Ltd.
TEL：020-36042809 / 36380552 -1- www.
aosong.
com 5、Product parameters Relative humidity Resolution: 16Bit Repeatability: ±1% RH Accuracy: At 25℃ ±5% RH Interchangeability: fully interchangeable Response time: 1 / e (63%) of 25℃ 6s 1m / s air 6s Hysteresis: <± 0.
3% RH Long-term stability: <± 0.
5% RH / yr in Temperature Resolution: 16Bit Repeatability: ±0.
2℃ Range: At 25℃ ±2℃ Response time: 1 / e (63%) 10S Electrical Characteristics Power supply: DC 3.
5～5.
5V Supply Current: measurement 0.
3mA standby 60μ A Sampling period: more than 2 seconds Pin Description 1, the VDD power supply 3.
5～5.
5V DC 2 DATA serial data, a single bus 3, NC, empty pin 4, GND ground, the negative power Aosong(Guangzhou) Electronics Co.
,Ltd.
TEL：020-36042809 / 36380552 -2- www.
aosong.
com 6、Typical circuit Microprocessor and DHT11 of connection typical application circuit as shown above, DATA pull the microprocessor I / O ports are connected.
1.
Typical application circuit...


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