Product Specification

DHT11/AM2329/DHT12/DHT22/AM2302 Digital Temperature Humidity Sensor Module Board For Arduino Ultra-low Power High Precision 4pin

DHT11
One. baby description
1 can detect ambient humidity and temperature
2 sensor DHT11
3 humidity measuring range: 20% -95% (range 0 degrees -50 degrees) and humidity measurement error: + - 5%
4 temperature measuring range: 0 degrees -50 degrees temperature measurement error: + - 2 degrees
4 Operating Voltage 3.3V-5V
5 Output Type Digital Output
6 has a fixed bolt hole for easy installation
7 small plates PCB size: 3.2cm * 1.4cm
8 Power indicator (red)
9 Each weighs about 8g

Two module interface specification (3-wire)
1 VCC 3.3V-5V external
2 GND External GND
3 DO small board switch digital output interface connected to the microcontroller IO port

AM2302
AM2302 humidity-sensitive capacitance digital temperature and humidity module is
a have already calibrated digital composite signal output of the temperature and humidity sensor.
It dedicated digital module acquisition technology and the temperature and humidity sensor technology,
ensure that the product has a very high reliability and excellent long-term stability.
Includes a capacitive moisture sensor element and a high precision temperature measuring element,
and connected to a high-performance 8-bit microcontroller.
So the product has excellent quality, super fast response, strong anti-interference ability, extremely high performance-price ratio.
Every sensor in extremely precise humidity calibration laboratory calibration.
Calibration coefficient in the form of a program stored in the microcontroller, sensors inside in the process of detecting signal processing to invoke the calibration coefficient.
Standard single bus interface, make the system integration becomes simple and fast.
Super small volume, low power consumption, signal transmission distance of 20 meters,
making it a all kinds of application of the best choice for even the most demanding applications.
Products for 3 fuses (single bus interface) connection is convenient.
Special packaging format can be provided according to user requirements.
Specifications:
Size: approx. 3.7*2.1cm
Voltage: 5v
Temperature range: -40~80Deg.C +/-0.5Deg.C
Humidity range: 20-90%RH +/- 2%RH

Product Description
1. AM2320 digital temperature and humidity sensor is a calibrated digital signal output containing hexyl temperature and humidity sensor complex. Temperature and humidity using a dedicated capture technology to ensure that products with high reliability and excellent long-term stability. Sensor includes a capacitive humidity sensing element and an integrated high-precision temperature measurement devices, and connected with a high-performance microprocessors. The product has excellent quality, fast response, anti-interference ability, high cost and other advantages.
2. AM2320 communication using a single bus, standard I2C two means of communication. Standard single-bus interface, allowing system integrators to become simpler and quicker. Ultra-small size, low power consumption, signal transmission distance up to 20 meters or more, making it the best choice for all kinds of applications and even the most demanding applications. I2C communication using standard communication sequence, the user can directly linked to the I2C communication bus without additional wiring, simple to use. Two means of communication are used as humidity, temperature and check CRC and other digital information directly via temperature compensated output, users do not need to calculate the secondary digital output, and no need for temperature compensation of the humidity, you can get an accurate temperature and humidity information.

Product Features
1. Ultra-small size
2. Super cost-effective
3. Ultra-low voltage operation
4. Excellent long-term stability
5. Standard I2C and single-bus output
6. Power supply: DC 3.1~5.5V

Applications
HVAC, dehumidifiers, testing and inspection equipment, consumer goods, automotive, automation, data loggers, weather stations, home appliances, humidity control, medical, and other relevant humidity measurement and control.

DHT12
Features:

Electrical Characteristics