Temperature and humidity sensor DHT21 (AM2301) in case

Index: MOD-01884 EAN: 5904422373269

Temperature and humidity sensor with a digital, single-wired interface. Measuring range: temperature -40 to 80 °C, humidity 0 to 100 % RH. Powered with voltage in the range of: 3.3 V to 5.5 V.

Temperature and humidity sensor DHT21 (AM2301) in case
€7.04 tax excl.
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Manufacturer: OEM

Czujnik temperatury i wilgotności powietrza AM2301Parameters:

  • Model: DHT21 / AM2301
  • Supply voltage: 3.3 V to 5.5 V
  • Average current consumption: 1.5 mA
  • Dimensions: 28 x 22 x 5 mm
  • Temperature
    • Measurement range: -40 to +80 °C
    • Resolution: 0.1 °C
    • Accuracy: +/- 0.5 °C
    • Response time: about 2 seconds
  • Humidity:
    • Measuring range: 0 - 100 % RH
    • Resolution: 0.1 % RH*
    • Accuracy ±3% RH* (at 25 °C)
    • Range of measurement: about 2 seconds


*RH- relative humidity is expressed in percents. Is the ratio of actual humidity in the air to its maximum number that air can keep at a given temperature.



Temperature and humidity sensor in closed plastic case. The system can be controlled using a microcontroller or any commissioning set, for example,Arduino. The leads are wires, on which you can install any connectors or solder the wires directly to the base board. Before using, you need to see thedocumentation.


The product is compatible with Arduino and Raspberry Pi

Library and scheme of connection with Arduino can be found atthis address.

User guide for Arduino can be found onour website.

An example of using with the Raspberry Pi is on the blogPicoBoard.pl.


Example of connection with microcontroller

The scheme represents the simplest way of connecting the system with any microcontroller using the single-wired interface.


VDD - supply voltage, DATA - data line with lifted resistor 1 k Ohm, GND - chassis ground of system.



Interface Digital I / O
Sensor - Temperature to 80 °C
Sensor - Temperature accuracy +/- 0.5 °C
Sensor - Temperature from -40 °C - 120 °C
Test 3
Package width 6 cm
Package height 2 cm
Package depth 9 cm
Package weight 0.015 kg

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

Payment methods

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Product reviews

Temperature and humidity sensor DHT21 (AM2301) in case


Average grade


Customers opinion
The following opinions are collected
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and come from the post-purchase process.
Michał 06.12.2022 Confirmed purchase
Przemyslaw 21.09.2022 Confirmed purchase
Artur U. 08.06.2022 Confirmed purchase Translated review
Works perfectly.
Mirosław K. 06.05.2021 Confirmed purchase Translated review
and what to write here is a sensor like a sensor

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