DHT11 Temperature and Humidity Sensor
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Aosong DHT11 Temp + Humidity Sensor - Get it Fast! - Ships Today!
Manufacturer Part No: DHT11
Datasheet: Click Here
This is a simple, inexpensive temperature and humidity sensor. It spits out a basic digital signal on the data pin. One of the biggest down sides is you can only collect data once every 2 seconds.
Here is a quick wiring example to an Arduino Nano.
There is an Arduino library and example code available here.
3 to 5V power and I/O
2.5mA max current use during conversion (while requesting data)
Good for 20-80% humidity readings with 5% accuracy
Good for 0-50°C temperature readings ±2°C accuracy
No more than 1 Hz sampling rate (once every second)
Body size 15.5mm x 12mm x 5.5mm
4 pins with 0.1" spacing
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