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Virtuabotix DHT11 Digital Temperature/Humidity Sensor

54 customer reviews

List Price: $9.99
Price: $7.50 + $1.95 shipping
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In Stock.
Ships from and sold by Virtuabotix.
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  • Temperature Range: 0 to 50 °C (32 to 122 °F)
  • Humidity Range: 20% to 95%
  • Easy to use examples, and custom Arduino library with built-in Dew Point calculations.
  • Covered by the Virtuabotix 90 day 100% satisfaction guarantee!
  • Free Library updates for life!
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$7.50 + $1.95 shipping In Stock. Ships from and sold by Virtuabotix.

Frequently Bought Together

Virtuabotix DHT11 Digital Temperature/Humidity Sensor + SainSmart HC-SR04 Ranging Detector Mod Distance Sensor (Blue)
Price for both: $18.09

These items are shipped from and sold by different sellers.

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Product Description

<h1>Measure Temperature &amp; Humidity with ease</h1><h2>Perfect for the Arduino, Raspberry PI and othe Microcontroller systems</h2><p>Tired of getting heavy metal poisoning from waving thermometers around? Done gauging humidity by the time it takes for your tongue to dry as you wag it wildly through the air? If you answered yes to any of these questions then this is the product for you; though it may be advisable that you seek immediate psychological/medical attention.*&nbsp;<br><br>The DHT11 is a robust little one-wire device that can measure both temperature and humidity; it is perfect for almost any indoor or covered outdoor use!</p><h2>Why choose the Virtuabotix DHT11?</h2><p>There are tons of reasons, but we would like to highlight just a few.&nbsp;</p><ol><li>The Virtuabotix DHT11 comes with exclusive documentation, and labeled pins.</li><li>Each genuine Virtuabotix product is covered buy an exclusive 90 day 100% satisfaction guarentee, so you can buy with confidence.</li><li>Free proffessional technical support and documentaiton from the product experts at Virtuabotix.</li><li>Save tons of time and energy with our documentation and 100% tested products.</li></ol><h2>Thank you for supporting Virtuabotix!</h2><p>Thanks again, your purchase makes it possible for us to continue to bring you great products and support.</p>


Product Information

Technical Details
Part Number DHT11
Item Weight0.5 ounces
Product Dimensions0.5 x 0.4 x 0.1 inches
Item model numberDHT11
ColorBlue
MaterialPlastic
Item Package Quantity1
  
Additional Information
ASINB0066YD3GM
Best Sellers Rank #150,969 in Home Improvement (See top 100)
Shipping Weight0.8 ounces (View shipping rates and policies)
Date First AvailableNovember 12, 2011
  
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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

19 of 19 people found the following review helpful By Jeff Feely on March 27, 2012
Verified Purchase
I have not had a chance to use my DHT11 yet. It did arrive in perfect condition though. This review is more for Virtuabotix's advertising and item descriptions. I would buy this product again just because of how awesome the packaging labels are. These are some truly creative people. I can't wait to buy more of their products so I can see what else they have come up with.

They included a picture of an Arduino with lines drawn directly to the pins that work with their demo library. They also explain what each line is. This is much nicer than some of the radio shack parts I've bought that only have a product number on them. The sensor feels well constructed, and has the added plus of actually looking like a sensor.

Ok it is sitting in a breadboard now so I must go. Buy it!

Update 3/30/2012 (a few days later)

Well, I have bad news...
This thing worked perfectly and did exactly what I needed it to. That means I'm going to have to buy a bunch more to finish my grand project. Fortunately they are cheap so I won't go any more bankrupt than I already am.

The sensor was very easy to set up. Three wires and I was ready to go. They recommend using a 5k resistor but I wasn't entirely sure from reading the diagram where it was supposed to go (I'm still learning the reading diagrams part of things).

In my testing it reported the same temp as the digital thermometer I had sitting next to it. It reports the temp to quite a few significant digits (i.e. 75.1230548 or so). It is sensitive enough that it reported a temp and humidity change just from me breathing on it once.

The Library that came with the product is well written and easy to understand.
Read more ›
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11 of 12 people found the following review helpful By Rashed Iqbal on August 9, 2012
Verified Purchase
This sensor was very easy to use and the included instructions made it very clear on how to connect it to the Arduino micro controller. The only thing I don't like is that the sensor is very inaccurate. I would recommend you to get a more accurate sensor if you want an accurate temperature.
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5 of 5 people found the following review helpful By W. Moncure on August 2, 2012
Verified Purchase
The "Virtualbotix" DHT11 worked flawlessly after following Ladyada's instructions at Adafruit for integration with the Arduino platform. I downloaded and slightly edited the libraries as well as wrote my own sketch based on my needs. I purchased this item on a whim via Amazon. While this product is commercially available at many different places, not all distributors / sellers of IC's do a good job of QC'ing their products and following up with their customers. I was impressed with personal communication I received from one of the principals of the organization (Virtualbotix, the American corporation which brands this sensor) when I had a concern.

My overall opinion? A great device that works exactly as intended in my particular application. While there is a great proliferation of microcontrollers, IC's and MCU accessories in the Amazon marketplace, companies like Virtualbotix have managed to place a strong grasp on delivering quality IC's from the East to customers in the West. Quality comes at a very marginal price considering all the hassles of checking, inspecting, and delivering IC's from overseas. Great job Amazon merchant, great job Amazon on the shipping!

Great packaging by the way!
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6 of 7 people found the following review helpful By David F. Amos on May 1, 2012
Verified Purchase
The device comes in a nice package and the firmware from the site for the Arduino is a good place to begin to verify device operation. The firmware does work but requires you to have some understanding of the Arduino system (not Virtuabotix fault). If you want accurate measurements, the DHT11 in the Arduino need to be corrected (software mod) for both temperature and humidity (a long process in a controlled environment).
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3 of 3 people found the following review helpful By E.Valuator on March 27, 2013
Verified Purchase
This is an excellent value on a compact sensor. Besides the included documentation, the genuine customer service was a pleasant surprise. Which, proves the point that great service is just a matter of doing it. The shipping was quick, the enthusiasm by Virtuabotix to make dealing with them was exceptional. No excuses, no nonsense. Oh, the product performed as advertised right out of the package. Thanks for providing me with a smile.
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2 of 2 people found the following review helpful By Michael J. Tria on September 17, 2013
My applications require +/-1F precision, so after trying out the DHT-11, I decided to go with the DHT-22 which, given limited testing, appear to provide that much or better accuracy (against a laboratory calibrated mercury thermometer) and precision for a few dollars more. In either case you get the humidity thrown in for free which can be very useful. Simple programing for humidity unlike some other manufacturers. Temperature conversions are measured on the order of seconds after a request, but this is more than adequate for all but the most esoteric applications.
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2 of 2 people found the following review helpful By SF IoT Geek on June 28, 2012
Verified Purchase
Great product, great and fast delivery. Accurate readings. Easy to setup and use. It took me only a few minutes to get it all working with my Arduino on my breadboard. No complexity only a 5k pull up resistor needed on pin 2 but, that is normal. The pins aren't marked so know that if you hold it with the labeled side away from you and pins down (just like in the picture here on Amazon) that pin #1 is on the far left. Pin #3 is unused. Search for "dht11 arduino" in your favorite search engine or go to the main arduino site.

I liked the writeup at: arduino dot cc slash playground slash main slash DHTLib

there is a link for the DHT11 data sheet along with some good information.

This purchase saved me a lot of time and money by rolling both temp and humidity into this one small IC package.
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