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AM2301A / DHT21 Digital temperature & humidity sensor
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AM2301A / DHT21 Digital temperature & humidity sensor

Funduino
€5.90 *
Content: 1 Piece

incl. VAT plus shipping costs

Sold out

Delivery time 1-3 Working days

  • Item no: F23107926
  • Weight: 0,02 kg
  • Packing dimensions: 8.7 cm x 6 cm x 1.35 cm (L x W x H)
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Description Reviews 0
Description
The AM2301A / DHT21 is a digital temperature & humidity sensor with high accuracy. It... more
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The AM2301A / DHT21 is a digital temperature & humidity sensor with high accuracy. It provides a temperature accuracy of +/- 0.5 °C and a humidity accuracy of +/- 3 % relative humidity. 

Specifications:

  • Model: AM2301 / DHT21
  • Power supply: DC 3.3-5.5 V
  • Max. Current: 2.5 mA
  • Sampling rate: 0.5 Hz (once every 2 seconds)
  • Output signal: 1-wire bus digital signal
  • Sensor element: Polymer humidity capacitor
  • Measuring range: 0-100 % humidity RH; temperature: -40 ~ 80 °C
  • Accuracy: ±3 % humidity (max. ±5 % RH); temperature ±0.5 °C
  • Resolution or sensitivity: 0.1 % relative humidity; temperature 0.1 °C
  • Repeatability: humidity ±1 % RH; temperature ±0.3 °C
  • Humidity hysteresis: +/-0.5 % RH
  • Long-term stability: ±0.5 %RH / year
  • Housing material: plastic
  • Cable length: 230 mm
  • Dimensions: approx. 58.8 x 26.7 x 13.8 mm

Pin assignment:

  • Red: VDD (3.3-5.2 V)
  • Yellow: SDA (Serial Data Port)
  • Black: GND

Scope of delivery:

  • 1 x AM2301A / DHT21 Temperature & humidity sensor
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