Brand: SainSmart

[Discontinued] SainSmart DHT11 Temperature And Relative Humidity Sensor Module For Arduino

SKU: 101-60-117 2 reviews Variants ID: 45100951316
$3.50 $6.99 Save $3.49

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We also have a selection of Basic Starter Kit, Deluxe Starter Kit, Ultimate Starter Kit that utilize this module.

  • 100% brand new and high quality
  • DHT11 sensor adopts
  • The module can detect surrounding environment of the humidity and temperature
  • High reliability and excellent long-term stability
  • Output form digital output
  • Has fixed bolt hole and easy installation
  • Dupont Cables are free for you


  • Humidity measurement range: 20%~90%RH
  • Humidity measurement error: ±5%RH
  • Temperature measurement range: 0~60â„?/li>
  • Temperature measurement error: ±2â„?/span>
  • Working voltage :5 VSize: 28x12x8mm 


  • 1x SainSmart DHT11 Temperature And Relative Humidity Sensor Module
  • 3x Dupont Wires
Customer Reviews
4.5 Based on 2 Reviews
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Works much better than LM35 parts for longer leads

I original worked with an LM35, but I had problems getting reliable readings from the LM when I put it on a longer lead. No such problems with the DHT11 and it was very easy to program an UNO to read it. I am using it to monitor temperature in a micro greenhouse. Recently I had a low battery storage situation where I needed to conserve energy by keeping the greenhouse just above freezing. I woke up in the middle of the night and realized the DHT11 is not the part for measuring temperatures that approach freezing. It is rated to 0 degrees celsius, but its margin of error is plus or minus 2 degrees. So the best it could ever read is -2 C, and its just as likely to stop reading temperatures at +2 C. A better choice would be a DHT22, which looks to be just as easy to program and supports a wider range of temperatures. The drawback is the DHT22 costs several times more money.

Weather Center / Thermostat Control

I've used these in thermostat and weather projects. Great value!