AM2301 Capacitive Digital Temperature & Humidity Sensor


Out of stock

Approx Restocking Date: 30th May, 2024
SKU: 347581
  1. Model: AM2301.
  2. Supply voltage: 3.3 ~ 5.2 V DC.
  3. Signal output form: Digital signal output.
  4. Temperature measurement range: -40 ~ +80 ºC.
  5. Temperature measurement precision: ± 0.5ºC
  6. Humidity range: 10%~90%RH.
  7. Humidity measurement precision: ±3%RH.


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Category: Temperature & Humidity Sensor
Tags: Humidity Sensor, AM2301

AM2301 Capacitive Digital Temperature & Humidity Sensor sensor is one of the commonest from the range of DHT temperature sensors; and boasts a relatively high-temperature measurement accuracy of 0.5°C in 0.1°C steps with a relative humidity accuracy of ± 3%.

It has only 3 wires, including power and ground, meaning only one digital pin is required to interface it to a microcontroller. For Arduino development platforms the sensor is very well supported by the DHT library available from the Arduino Playground website.

Am2301 Capacitive Digital Temperature

Example Arduino Sketch, Library, and Datasheet available on our support forum here.

Note: This package does not include the Arduino board.


  1. 4-pin package.
  2. Ultra-low-power.
  3. No additional components.
  4. Excellent long-term stability.
  5. All calibration, digital output.
  6. Completely interchangeable.
  7. Long-distance signal transmission.
  8. Relative humidity and temperature measurement.

Package includes:

1 x AM2301 Capacitive Digital Temperature & Humidity Sensor.

Supply Voltage (V)

3.3 ~ 5

Average Current Consumption (μA)



0 ~ 99.9 %RH


3% RH

Output type

Digital (1 wire)

Operating Temperature (℃)

-20 ~ +60

Cable Length (cm)


Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.018 kg
Shipping Dimensions 8 × 7 × 5 cm

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Country Of Origin: China

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