Detailed Description:
AM2301 is a digital temperature and humidity sensor module made using a capacitive humidity sensor, a high precision temperature sensor and an 8 bit microcontroller. Former name of this sensor was DHT21. This module provides extremely accurate outputs as it is digitally calibrated using the coefficients stored in the microcontroller. It has a wide operating voltage range, 3.3V ~ 5.2V makes its interface easy with a wide variety of devices. AM2301 sensor module can be easily interfaced with Arduino Boards, Raspberry Pi and other microcontroller units with its single bus interface.
Features:
Ultra low power
Fast response
Relative humidity and temperature measurement
Full range temperature compensation
Excellent long term stability
Long transmission distance
High accuracy
No need of extra components
Excellent long term stability
Calibrated digital output
Pin Out
PIN No. Color Name Description
1 Red VDD Power (3.3V ~ 5.2V)
2 Yellow SDA Serial Data, Dual Port
3 Black GND Ground
Applications:
HVAC (Heating, Ventilating and Air Conditioning)
Dehumidifier
Testing and inspection equipment
Home appliances
Data loggers
Humidity regulator
Weather stations
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