Temp-Humidity Sensor Module

DHT22/DHT11/DHT12/DHT20/AM2320/AM2301/Am1011A（Digital Temp-Humidity Sensor Module Board For Arduino with Ultra-low Power High Precision 4pin）

♦DHT11

INTRODUCTION

DHT11 digital temperature and humidity sensor is a temperature and humidity composite sensor with calibrated digital signal output. It uses special digital module acquisition technology and temperature and humidity sensor sensing technology to ensure that the product has high quality reliability and long-term stability.

PARAMETERS

• Model: DHT11
• Measurement range: -20~60°C  5~ 95%RH
• Measurement accuracy:±2 °C ±5% RH
• Resolution:0.1 °C 0.1% RH
• Corresponding time：5S
• Shell material: PC plastic
• Working temperature range:0~ 50℃

PIN

①VDD: (power supply 3.5V ~ 5.5V DC)
②Data: (serial data, single bus)
③NC: (empty foot)
④GND: (negative pole of grounding power supply)

♦DHT11 LED Module

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
5.Operating Voltage 3.3V-5V
6.Output Type Digital Output
7.has a fixed bolt hole for easy installation
8.small plates PCB size: 3.2cm * 1.4cm
9.Power indicator (red)
10.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

AM2320 Temperature And Humidity Sensor/Digital Temperature And Humidity Sensor

DESCRIPTION

• Small volume
• High cost performance
• Low voltage
• Excellent long-term stability
• Standard I2C and single bus output

Product parameters

♦AM2320 Module

PARAMETERS

1.It can detect the humidity and temperature of the surrounding environment
2.The sensor adopts dht12 and supports single bus and L2C communication
3.Humidity measurement range: 0% – 99.9% (40-80°C);Humidity measurement error:±3%
4.Temperature measurement range:-40°C~80°C;Temperature measurement error:±0.5 °C
5.Working voltage 3.1V-5.5V
6.Output form digital output
7.Fixed bolt holes are provided for easy installation
8.PCB size of small board: 2.1cm*1.3cm

♦MW33

DESCRIPTION

The DHT11/MW33 digital temperature and humidity sensor is a temperature and humidity composite sensor with a calibrated digital signal output. It uses dedicated digital module acquisition technology and temperature and humidity sensing technology to ensure high reliability and excellent long-term stability. The sensor consists of a resistive wet sensor and an NTC temperature sensor connected to a high performance 8-bit microcontroller.

Therefore, the product has the advantages of excellent quality, ultra-fast response, strong anti-interference ability and high cost performance. Each DHT11 sensor is calibrated in an extremely accurate humidity calibration chamber. The calibration cofficients are stored in the OTP memory as a program, and these calibration cofficients are called internally during the processing of the detection signal. The single-wire serial interface makes system integration easy and fast. Ultra- small size, extremely low power consumption, and signal transmission distances of up to 20 meters make it the best choice for even the most demanding applications. The product is available in a 4-pin single-row lead package.

PRODUCT FEATURES

• Relative humidity and temperature measurement
• All calibration, digital output
• Excellent long-term stability
• No extra parts required
• Extra long signal transmission distance
• UItra low energy consumption
• 4-pin mounting
• Completely interchangeable

♦DHT22

DESCRIPTION

AM2302 humidity sensitive capacitor digital temperature and humidity module is a temperature and humidity composite sensor which contains the output of calibrated digital signal. It uses special digital module acquisition technology and temperature and humidity sensing technology to ensure that the product has high reliability and excellent long-term stability. The sensor consists of a capacitive humidity sensor and a high precision temperature sensor, and is connected with a high performance 8-bit single chip computer.

Therefore, the product has the advantages of excellent quality, ultra-fast response, strong anti-interference ability and high cost performance. Each sensor is calibrated in an extremely accurate humidity calibration laboratory. Calibration coefficients are stored in the form of program in the single chip computer.

These calibration coefficients are called in the process of signal processing inside the sensor. Standard single bus interface makes system integration easy and fast. Ultra-small size, extremely low power consumption, signal transmission distance can reach more than 20 meters, making it the best choice for all kinds of applications and even the most demanding applications.

The product is easy to connect with 3 leads (single bus interface).

PARAMETERS

♦DHT22 Module

SPECIFICATIONS

• Size: approx. 3.9*2 .25cm
• Voltage: 5V
• Temperature range: -40°C~ +80°C ±0.5°C
• Humidity range. 20-90%RH±2%RH

♦DHT22 Module BLACK

PARAMETERS

PIN DESCRIPTION

• VCC: system power supply
• GND: system primary and negative
• Data: MCU IO port
• Warm tips: Do not connect VCC to CND reversely or burnit reversely

♦AM2301A Temperature And Humidity Sensor

DESCRIPTION

• Full Calibration
• Excellent Long-term Stability
• Digital Output, Single Bus Interface
• Fast Response And Strong Anti-interference Ability

AM1011A Temperature And Humidity Sensor/Analog Temperature And Humidity Sensor

DESCRIPTION

Am1011a analog temperature and humidity module is a temperature and humidity sensor with calibrated analog signal output. The sensor signal adopts 0-3v analog voltage output mode. This module has the advantages of high precision, high reliability and good consistency, and has temperature compensation to ensure long-term stability, convenient use and high cost performance. The product shell is made of ABS + PC, Be able to maintain high quality for a long time; Bolt holes are provided for fixing and installation, which is suitable for enterprises with strict requirements on quality and cost.

• Fully Interchangeable
• Analog Voltage Output
• Excellent Long-term Stability

♦DHT20

DESCRIPTION

Dht20 is an intelligent temperature and humidity sensor module carefully created by Aosong electronics. It is a new upgraded product of DHT11. The module is equipped with a newly designed ASIC chip, an improved MEMS semiconductor capacitive humidity sensor and a standard temperature sensor. After the comprehensive improvement, while reducing power consumption and cost, the performance parameters of dht20 in measurement accuracy, power supply voltage, measurement range, response time and stability have been greatly improved, far exceeding the reliability level of the previous generation of sensors. Dht20 has the characteristics of calibration free, low power consumption, high precision and high stability. It adopts fully calibrated digital L2C interface, which has rapid response, strong anti interference ability and higher cost performance.

• complete calibration
• digital output, I2C interface
• excellent long-term stability high cost performance
• quick response and strong anti-interference ability