DHT 11 Digital Temperature And Humidity Sensor
DHT 11 is a Humidity and Temperature Sensor, which generates calibrated digital output. DHT 11 can be interface with any microcontroller like Arduino, Raspberry Pi, etc. and get instantaneous results. DHT 11 is a low cost humidity and temperature sensor which provides high reliability and long term stability.It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and outputs a digital signal on the data pin (no analog input pins needed). Its very simple to use, and libraries and sample codes are available for Arduino and Raspberry Pi.This module makes is easy to connect the DHT11 sensor to an Arduino or microcontroller as includes the pull up resistor required to use the sensor. Only three connections are required to be made to use the sensor – Vcc, Gnd and Output.It has high reliability and excellent long-term stability, thanks to the exclusive digital signal acquisition technique and temperature & humidity sensing technology.
Specifications:-
Power Supply： 3.3~5.5V DC
Output： 4 pin single row
Measurement Range： Humidity 20-90%RH， Temperature 0~50℃
Accuracy： Humidity +-5%RH， Temperature +-2℃
Resolution： Humidity 1%RH， Temperature 1℃
Interchangeability： Fully Interchangeable
Long-Term Stability： <±1%RH/year
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