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DHT22 Wired (CM2302) – Humidity and Temperature Sensor

Manufacturer: Aosong
Part No: CM2302-W
Availability: In Stock
Special price:₹355.00
Old price:₹385.00
You save:₹30.00
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This is wired version of the DHT22 (CM2302 or AM2302), equipped with capacitive humidity sensor and a thermistor to measure the surrounding, and gives a digital signal on the single data pin. 

DHT22 is housed in a large plastic body with 3 wires RED, YELLOW and BLACK. The configuration of the wires is like: RED wire to 5V power), the YELLOW wire to DATA input pin and the BLACK wire to GND.

In comparison to DHT11, this sensor is more precise, more accurate and works in a large range of temperature/humidity data. It also equipped with 5.1K pull up resistor between VCC and DATA.


Datasheet


Features Specifications
power and I/O 3 to 5V 
Current Rating 2.5mA max current use during conversion (while requesting data)
Humidity  Good for 0-100% humidity readings with 2-5% accuracy
Temperature Good for -40 to 80°C temperature readings ±0.5°C accuracy
Sampling Rate No more than 0.5 Hz sampling rate (once every 2 seconds)
Dimensions Body size 27mm x 59mm x 13.5mm (1.05" x 2.32" x 0.53")
Pin Configuration 3 wires 23cm long (9")

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