are you wandering to build a device that is used to detect the direction of air in the atmosphere and the pressure of air?

So, here is the solution for you. you can buy this sensor from Robu.in at a reasonable price

The three Cups type Wind Speed Sensor Current Type(4 to 20mA) AnemometerKit is an instrument that can measure the wind speed. It is composed of a shell, the wind cup, and the circuit module. Photovoltaic modules, industrial microcomputer processors, the current generator, electric current, and so on are integrated into the internal drive.

The materials of sensor shell and back color coted wind Cups are of aluminum alloy which uses the special mold precision casting technology, the size of the tolerance is very small. The precision of the surface is very high, and the internal circuit has been protection processed, the sensor has high strength, weather resistance, corrosion resistance, and is waterproof.

The plug of the cable is a military plug, it has a good anticorrosive and prevents erosion performance that it can ensure the instrument used for a long time, at the same time, In the case of using relevant specifications that ensure the accuracy of the wind speed acquisition.

The material of the circuit PCB is the military-grade A which ensure the stability of the parameters and the quality of the electrical properties; Electronic components are all industrial chip which makes overall has extremely reliable electromagnetic interference resistance and can ensure that the host can work normally in – 20 ℃ ~ + 50 ℃, humidity 35% ~ 85% (condensation).

This product can be widely used in engineering machinery (crane, crawler crane, door crane, tower crane, etc.), railways, ports, docks, power plants, meteorological, cableway, the environment, greenhouse, breeding, air conditioning, energy monitoring, agriculture, health, clean room areas such as wind speed measurement, and the corresponding signal output.

Robu.in brings you the anemometer sensors, its wind speed was judged by adopting the output in varying current in the range of 4mA to 20mA, users can easily read the level of wind speed by our instruction and sample code.

Please make the external power (DC 12-24V) and the wiring to Arduino on the same ground, i.e. connect GND to Arduino as well as to external power’s GND. In the diagram, it was not indicated out.

Connection

1. Red ↔ +12-24V
2. Black ↔ GND
3. Yellow ↔ Voltage signal
4. Blue ↔ Current signal

Pin Description

Note: This Anemometer produces the current output in the range of 4 to 20mA

 We have another variant that produces voltage Output in the range of 0 to 5 V DC acc0rding to the speed of the wind. Click Here to see. 

To Explore more Environmental sensors, Click here

Connection Diagram of wind Speed Sensor with Arduino:

Please make the external power (DC 9-24V) and the wiring to Arduino on the same ground, i.e. connect GND to Arduino as well as to external power’s GND. In the diagram, it was not indicated out.

Sample Code:

/*
 Connect the voltage signal wire to Arduino analog interface:
 Yellow Cable<---->A0
 */
   void setup()
  {
    Serial.begin(9600);
  }
   void loop()
  {
    int sensorValue = analogRead(A0);
    float outvoltage = sensorValue * (5.0 / 1023.0);
    Serial.print("outvoltage = ");
    Serial.print(outvoltage);
    Serial.println("V");
    int Level = 6*outvoltage;//The level of wind speed is proportional to the output voltage.
    Serial.print("wind speed is ");
    Serial.print(Level);
    Serial.println(" level now");
    Serial.println();
    delay(500);
  }

Features :

1. High hardness
2. Corrosion protection
3. Waterproofness
4. High precision
5. Dimensions:
   • Cups Outer Diameter: 50 mm.
   • Body Outer Diameter: 39 mm.
   • Base Diameter: 60 mm.
   • Screw Hole Diameter: 7 mm.

Package Includes :

1 x Wind Speed Sensor Voltage Type(0-5V) Anemometer.

1 x 5-Meter Connecting Cable with Crimped Connector.

1x Mounting Accessories set.

DFrobot offers an advanced level of sensors at an affordable cost than any other competitor brand in the market, making them ideal for the one who wants to start some Projects through Different types of sensors.

After finding Different types of sensors on market, we at robu.in have determined that DFrobot is one of the good brands that offer a wide range of sensors at an Appropriate price.

BME680 is a 4-in-1 multi-functional MEMS environmental sensor which integrates VOC (Volatile Organic Compounds) sensor, temperature sensor, humidity sensor and barometer. It is designed for air quality monitor, and due to the MEMS technology, BME680 has a small size and low power consumption. It can be widely used in environmental monitoring, home automation and control, Internet of Things (IoT) wearable device, GPS enhancement, etc.

This BME680 Sensor adopts more simplified breakout design and leads out pitch 2.54 pin/female and SPI connectors. And it has onboard voltage regulator IC and I2C level translator circuit, which makes this sensor more convenient to be integrated into various applications.With the development of industrialization, air pollution is getting worse and worse. Toxic chemical odors are even common with new furniture. These invisible killers are destroying your health day by day. You do need to concern about your health as soon as possible and this DFRobot Breakout BME680 environmental sensor can help you make an air quality monitor so as to take good care of your health!

Features:

1. MEMS sensor, small size, low power consumption, high reliability
2. Wide voltage input, compatible with 3.3V and 5V controller
3. Highly integrated environmental sensor: temperature, humidity, barometer and VOC, four-in-one environmental parameter monitoring
4. I2C connector, plug, and play
5. Small size and easy to install

Specifications:

1. Input Voltage: 3.3V~5.5V
2. Operating Current: 5mA (25mA in VOC Measurement)
3. Communication Interface: I2C(Support 3.3V/5V) or SPI(other non-I2C ports only support 3.3V)
4. Default I2C Address: 0x76
5. Temperature Measurement Range: -40℃~+85℃
6. Temperature Measurement Precision: ±1.0℃(0~65℃)
7. Humidity Measurement Range: 0-100%r.H.
8. Humidity Measurement Precision: ±3%r.H.(20-80% r.H.,25℃)
9. Atmospheric Pressure Measurement Range: 300-1100hPa
10. Atmospheric Pressure Measurement Precision: ±0.6hPa(300-1100hPa,0~65℃)
11. IAQ (Indoor Air Quality) Range: 0~500 (the larger, the worse)
12. Dimension: 18×15.6(mm) /0.71×0.61(inches)

Useful Links:

Please visit the DFrobot wiki page for more information about this product. Any suggestions for improvement, such as correcting errors, adding more demo codes or tutorials, will be highly appreciated.

Package Includes:

1 x BME680 Environmental Sensor Module

1 x 2.54 Single Row 4PIN Connector

1 x 2.54 Single Row 6PIN Connector

This smart rain sensor offers a fast way to detect rainfall change on glass in real-time free from effects like sunlight, dust, leaves, etc., and feeds back information (no rain, light rain, moderate rain, or heavy rain) to users.The module comes with a tiny body with a diameter of about 12.5mm, which adapts to cameras of all kinds. It can be used in security monitoring, smart home, smart agriculture, and so on.

This small sensor can be easily embedded in projects even with strict space limits like box cameras and speed dome cameras.The sensor can achieve accurate real-time rainfall detection in any rainfall environment, and its built-in optical algorithm can intelligently filter ambient factors like sunlight, dust, leaves, etc., to ensure precise rainfall data collection in complex conditions. It gives feedback about rainfall changes like light, moderate or heavy rain.

Features:

1. Mini size can be directly soldered onto your PCB.
2. Switchable I2C and UART two output modes.
3. The highly integrated module can test a variety of data at the same time (temperature, humidity, barometric pressure, altitude, ultraviolet intensity, ambient light intensity).
4. Reasonable layout and high precision.

1. Working Voltage: 3.3V DC.
2. Working Current: 35mA.
3. Output Signal: I2C, UART.
4. Working Temperature: -20~70℃.
5. Size: 30mm x 20.5mm/1.18 x 0.81″

          Barometric Pressure Sensor:

1. Barometric Pressure Unit Relationship: 1000pa = 10hpa = 1kpa.
2. Sensor Chip Model: BMP280.
3. Barometric Pressure Measurement Range: 3000~1100 hPa.
4. Relative Accuracy Of barometric Pressure: ±0.12 hPa.
5. Absolute barometric Pressure Accuracy: ±1 hPa.

          Temperature & Humidity Sensor:

1. Sensor Chip Model: SHT-C3.
2. Relative Humidity Accuracy: ±2%RH.
3. Relative Humidity Resolution: 0.01%RH.
4. Relative Humidity Measurement Range: 0~100.
5. Temperature Accuracy: ±0.2℃.
6. Temperature Resolution: 0.01℃.
7. Temperature Measurement Range: -40~125℃

         UV Sensor:

1. Sensor Chip Model: ML8511.
2. Ultraviolet Sensitive Wavelength UV-A (320-400nm), UV-B (280-320nm).
3. Ultraviolet Output Unit: mW/㎡Ambient Light Sensor:
4. Sensor Chip Model: VEML7700.
5. Ambient Light Accuracy: 0.0036 lx/ct.
6. Ambient Light Range: 0~120 klx.

Packages Includes:

1 x DFRobot Fermion Multifunctional Environmental Sensor (Breakout).

NAC-6KA negative ion generator is a device that generates continuous high-concentration negative ions by ionizing the air with the help of the discharge needle by outputting the DC negative voltage through the booster module.

NAC-6KA has a compact structure, small size, and built-in control module, and can be directly used in equipment with reserved control expansion modules; innovatively coats functional materials on the ceramic substrate to achieve a substantial increase in the concentration of negative ions; The metal discharge needle has excellent discharge performance and ensures the continuous and stable generation of negative ions. The internal key components of NAC-6KA are all insulated to ensure the safety of personnel when the device is running; the rated power is less than 2W, no harmful substances will be generated during operation, energy-saving and environmental protection; the discharge needle is potted by a special process to ensure the device works silently.

Features:

1. NAC-6KA is equipped with an independent mounting bracket,
2. Can also be equipped with a circuit control module
3. So the device can be installed and used alone
4. Module for air conditioners
5. Air purifiers, automobiles, etc.
6. Ceramic coated functional materials
7. Flexible and wide range of applications
8. Insulation treatment
9. Continuously and stably generate high concentration of negative ions
10. Energy saving and environmental protection, quiet operation

Specifications: 

1. Rated input voltage AC: 220~240V
2. Input rated current <5mA
3. Input voltage frequency 50/60Hz
4. Ozone concentration <0.1mg/h
5. Working humidity range 20%~80%RH
6. Operating temperature range -10~50℃

Packages Includes:

1 x ASAIR NAC-6KA negative ion generator for Air purifier

AEM1000 is an environmental monitoring product, in which four sensors are integrated for the detection of temperature, humidity, VOC, CO2 andPM2.5. The communication protocol is standard Modbus RTU. Each product is fully calibrated and tested, and its performance is able to meet the application needs of customers.

Applications: 

1. The products can be widely used in fields such as smart home
2. smart agriculture
3. smart classroom for the air quality monitoring at home
4. smart greenhouse and in the classroom.

Features: 

1.  5V DC power supply
2. Digital signal output（RS485/UART）
3. Customizable output signal mode
4. Fast response and strong anti-interference
5. Highly integrated, multiple signal data acquisition

Packages Includes: 

1 x AEM1000 Environmental monitoring box