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Pack of 2Pcs DHT22 / AM2302 Digital Temperature and Humidity Sensor Replace SHT11 SHT15 for Arduino and Raspberry Pi

by Wishlink
The DHT22 is a reliable sensor for determining temperature and humidity. The output is serial as a digital bit sequence.The sensor is ideal to monitor the room climate or to build a weather station., 4 Pins Sequence Number: Pin1-VDD(Power 3.3V-5.5V); Pin2-SDA, serial data interface, two-way interface; Pin3-NC, no connect; Pin4-GND(Ground)., DHT22 main chip is AM2302 high sensitive temperature humidity sensor. Single-bus digital signal output, bidirectional serial data. Each AM2302 sensor is calibrated in a very accurate humidity calibration room. The calibration coefficients are stored in OTP memory in the form of programs that the calibration coefficients are invoked within the sensor during signal processing., Single-wire serial interface, the system integration becomes simple and quick. Ultra-small size, low power consumption, signal transmission distance up to 20 meters, making it the best choice for all kinds of applications and even the most demanding applications. Products are 4-pin single row pin package, easy to connect., Feature: Ultra-low power, no additional components, capacitive humidity sensor, excellent long-term stability, high-precision NTC, full automatic calibration, digital output. Completely interchangeable, long distance signal transmission, Standard digital single bus output, Relative humidity and temperature measurement.
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