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The DHT22 Digital Temperature and Humidity Sensor Module AM2302 is a basic, low-cost digital temperature and humidity sensor. It uses 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).
It’s fairly simple to use but requires careful timing to grab data. The only real downside of this sensor is you can only get new data from it once every 2 seconds, so when using our library, sensor readings can be up to 2 seconds old. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Simply connect the first pin on the left to 3-5V power, the second pin to your data input pin, and the rightmost pin to the ground. Although it uses a single wire to send data it is not Dallas One Wire compatible! If you want multiple sensors, each one must have its own data pin! RoboticsBD
Note: The color of connecting wire may vary. You may get any color while shipping. RoboticsBD
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General Specification | |
Model | AM2302 |
Operating Voltage | 3 ~ 5.5V |
Accuracy resolution | 0.1 |
Humidity range | 0-100%RH |
Temperature range | -40~80°C |
Humidity measurement precision | ±2%RH |
Temperature measurement precision | ±0.5°C |
Length (mm) | 43 |
Width (mm) | 15 |
Height (mm) | 10 |
Weight (gm) | 7 |
Shipment Weight | 0.01 kg |
Shipment Dimensions | 5 × 4 × 2 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x DHT22 Digital Temperature and Humidity Sensor Module AM2302
1 x Connecting Cable.
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