Description
Description:
DHT22 Digital Temperature and Humidity Sensor AM2302 Module with Cable
The DHT22 includes a capacitive humidity sensor and a high precision temperature sensor. The DHT22 is also known as AM2302.
The DHT22 sensor is ultra-small size, extremely low power consumption, and with a signal transmission distance of more than 20 meters makes it perfect for home projects like weather stations, environmental automatic control systems, testing/inspection of equipment, farm/garden monitoring systems, and much more.
Specification:
Power supply: 3 V – 5.5 V
Output signal: Digital s ignal via 1-wire
Operating range:Temperature – 40°c to 80°c
Accuracy: Humidity 0-100% RH
Humidity +-2%RH (Max +-5%RH)
Temperature <+-0.5Celsius
PIN Connection:
+: Positive
– : Negative
Out: To Micro controller
Uses of DHT22-AMS2302
HVAC, dehumidifiers, test and inspection equipment, consumer goods, automobiles, automatic controls, data loggers, appliances, humidity regulators, medical, weather stations, and other related humidity detection controls.
Third, product highlights
Ultra-low power consumption, long transmission distance, full automatic calibration, capacitive humidity sensor, fully interchangeable, standard digital single bus output, excellent long-term stability, and high-precision temperature measurement components.
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