DHT11 Temperature / Humidity Sensor
$4.50
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Description
The DHT11 is a basic, low-cost, digital temperature and humidity sensor. Inside it has a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly simple to use, but requires careful timing to grab data. Luckily Adafruit has put together an excellent library available through the tutorial below!
The sensor can be polled every two seconds and will read between -20 and 60°C with a ±2°C accuracy. Humidity readings range between 5 and 95% with 5% accuracy. For a wider range of temperature and more accurate humidity monitoring check out the DHT22 or the AM2302 sensors.
Features
- Power: 3.3-5.5VDC
- Humidity Range: 20-80%
- Humidity Accuracy: +/- 5%
- 3.3V and 5V Logic Safe
- Dimensions: 15.5 x 12 x 5.5mm
- Current Draw (peak): 2.5mA
- Temperature Range: 0-50°C
- Temperature Accuracy: +/- 2°C
- Breadboard Compatible
- Read Rate: 1Hz maximum
Resources
Tutorials:
DHT11: https://learn.adafruit.com/dht/connecting-to-a-dhtxx-sensor
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Warranty Policy
This product has a 30 Day Warranty from the date of delivery. The item must not be modified, abused, incorrectly hooked up, or used for purposes outside the original scope of design.
Return Policy
This product is returnable Within 14 Days of delivery. Item must be unopened, unused, and in re-saleable condition.
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