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SainSmart DHT22/AM2302 Digital Temperature Humidity Measurement Sensor Module for Arduino

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18 ratings

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Product information

Package Dimensions

5.1 x 4.4 x 0.4 inches

Item Weight

0.01 ounces

Manufacturer

SainSmart

ASIN

B00LHJUU1M

Customer Reviews

18 ratings

3.7 out of 5 stars

Is Discontinued By Manufacturer

Date First Available

September 23, 2014

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Customer reviews

3.7 out of 5

18 global ratings

5 star		39%
4 star		21%
3 star		26%
2 star 0% (0%)		0%
1 star		14%

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Top reviews from the United States

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G. Boulton

Works great, but don't rely on it for precision measurements.

Reviewed in the United States 🇺🇸 on August 8, 2015

Verified Purchase

For general use, it's fantastic. inexpensive, easy hookup, easy to use. However, for anything beyond that, prepare to confirm its readings against known values, and modify your code to calibrate the device.

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Laserdog

Shipping was fast and price was good, just not as accurate as I was hoping

Reviewed in the United States 🇺🇸 on August 17, 2015

Verified Purchase

The ones I received, while they gave back values, none of the humidity value from any of the sensors agrees with each other.

Frustrating to have 3x humidity sensors in a room, with widely varying values (differing by 20-40%) and not know what the humidity is.

Shipping was fast and price was good, just not as accurate as I was hoping.

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Pat from NJ

Not bad for the price.

Reviewed in the United States 🇺🇸 on September 26, 2015

Verified Purchase

Low cost sensor. Accurate *relative* to temperature differential, but needs initial calibration of absolute reading (three units differed by about 1 degree F across all temperatures).

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Amazonian Drone

Poof

Reviewed in the United States 🇺🇸 on July 3, 2015

Verified Purchase

While the device can work as advertised, the output is worthless for realtime data streaming. Reading output is surprisoingly predictable at 2-8 seconds, and accuracy isn't stellar. My purchase lasted 3 weeks, then poof ... unreadable. Sorry I made the purchase.

Rather than wasting money on a DHTxx series sensor, it is best to advance straight to the next generation BME280 with reliable 20 ms I2C read times, and measure 3 parameters: temperature, humidity, and barometric pressure; the BME280 readings are very precise, and accuracy is within 2%.

2 people found this helpful

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Michele

ottimo

Reviewed in Italy 🇮🇹 on February 23, 2017

Verified Purchase

provato con arduino funziona alla perfezione. Solo che manca la scatola per metterlo all'esterno.
è già pronto all'uso basta collegare i cavi nella confezione.

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friedrich.k

Funktioniert

Reviewed in Germany 🇩🇪 on March 28, 2015

Verified Purchase

Der Sensor funktioniert problemlos mit den Beispielprogrammen z.B. von Adafruit. Er stinkt allerdings sehr nach Chemikalien. Ich hoffe, der Geruch verfliegt mit der Zeit.

One person found this helpful

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ivan

Conforme

Reviewed in Spain 🇪🇸 on March 12, 2017

Verified Purchase

No he tenido mucho tiempo para poder probarlo y valorar su rendimiento, pero las pocas mediciones que he realizado con una raspberry han sido correctas.

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Ekatus Atimoss

Funktioniert mit der DHT Lib für Arduino..

Reviewed in Germany 🇩🇪 on September 21, 2015

Verified Purchase

..scheint mir aber nicht sonderlich präzise zu sein, was die rel. Luftfeuchte angeht. Abweichung zu einem Standard-Hygrometer (digital) bis zu 20%....

One person found this helpful

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T. Lehmann

Begeistert

Reviewed in Germany 🇩🇪 on June 16, 2016

Verified Purchase

Ich war angenehm überrascht wie einfach und schnell man das DHT22 in Betrieb nehmen kann. Ich brauchte keine Bedienungsanleitung. Einmal kurz ins Tutorial geschaut und schon funktionierte alles. Schnell einfach und gut.

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SainSmart DHT22/AM2302 Digital Temperature Humidity Measurement Sensor Module for Arduino

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SainSmart DHT22/AM2302 Digital Temperature Humidity Measurement Sensor Module for Arduino

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