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This is a low-cost digital Temperature and Humidity Sensor Module. It uses a thermistor sensor and a capacitive humidity to measure the surrounding air temperature. The output showing in digital signal on the data pin (no analog input pins needed). It's fairly simple to use but requires proper timing to grab data.
Item Code: OMP-S022
Port of Dispatch: Mumbai
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Digital Temperature and Humidity Sensor Module without PCB
DHT22 AM2302 Digital Temperature and Humidity Monitor Sensor Module Temp with Wire
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Approx. Price: Rs 300 / PieceGet Latest Price
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Power and I/O
3 to 5V
current use during conversion (while requesting data)
Good for 0-100%,with 2-5% accuracy
27mm x 59mm x 13.5mm (1.05" x 2.32" x 0.53")
27mm wide x 58.75mm tall x 13.30mm deep
AM2302 digital temperature and humidity sensor is a temperature and humidity combined sensor been calibrated digital signal output.
DHT22 application-specific digital module acquisition technology and the temperature and humidity sensing technology, to ensure that products with high reliability and excellent long-term stability.
The temperature humidity sensor module includes a capacitive humidity sensitive element and a NTC temperature measurement devices, and connected with a high-performance 8-bit microcontroller.
The AM2302 product has excellent quality, fast response, anti-interference ability, cost and other advantages.The single wire serial interface, the system integration becomes simpler and quicker.
Each AM2302 sensors are extremely accurate humidity calibration chamber for calibration. Calibration coefficients stored in the form of a program in OTP memory, internal sensor detection signal processing to call these calibration coefficients.