DHT21 AM2301 Digital-output relative humidity & temperature sensor/module,connect with single-bus-line Sensor

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DHT21 Digital-output relative humidity & temperature sensor/module,connect with single-bus-line Sensor AM2301

Digital Temperature & Humidity SensorDHT21 Digital-output relative humidity & temperature sensor/module,connect with single-bus-line Sensor AM2301

This temperature & Humidity sensor is a wired version of the DHT21, in a large plastic body. It is a basic, low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly simple to use, but requires careful timing to grab data.

  • DHT21 is the former name, new name is AM2301
  • 4-pin package
  • Ultra-low power
  • No additional components
  • Excellent long-term stability
  • All calibration, digital output
  • Completely interchangeable
  • Long distance signal transmission
  • Relative humidity and temperature measurement

 

Specifications:

  1. Type: AM2301
  2. Accuracy resolution: 0.1
  3. Measurement range: 0-100%RH
  4. Temperature measurement range: -40℃ ~ +80℃
  5. Humidity measurement precision: ±3%RH
  6. Temperature measurement precision: ±0.5℃
  7. Monobus digital output
  8. 20cm-cable
  9. Dimensions: 2.32 in x 1.02 in x 0.55 in (5.9 cm x 2.6 cm x 1.4 cm)

Connection:

This Sensor has 3 wires, connect these wires to your Arduino/Crowduino Project as following:

Sensor Arduino/Crowduino
Red +5V
Black GND
Yellow Digital I/O

 

 

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