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DHT21/AM2301 Temperature Sensor
0104110000025944
New product
DHT21 is a high-performance temperature and humidity sensor, providing accurate measurement, low power consumption, long distance data transmission, automatic calibration and long life.
See description for more details about the product.
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More info
Overview
DHT21 is a high-performance temperature and humidity sensor, providing accurate measurement, low power consumption, long distance data transmission, automatic calibration and long life.
It is perfect for projects that require measurement of temperature and humidity such as greenhouse and portable weather station that provides precise information about the environment. The sensor has small size making it be easily integrated into the project.
Specifications
- Humidity sensing range: 0 to 99.9% RH
- Humidity measurement accuracy: ±3% RH
- Temperature measurement range: -40 to 80oC
- Temperature measurement accuracy: ±0.5oC
- Supply voltage: 3.3 to 5.2 V
Connection Diagram
- Sensor: Arduino
- Red: 5 V
- Black: GND
- Yellow: Digital I/O pin
Useful links
- Example Code: http://arduinolearning.com/code/am2301-example.php
- Library "DHT" https://github.com/adafruit/DHT-sensor-library
