A tiny sensor breakout with BME280 onboard, sensing environmental temperature, humidity, and barometric pressure. It supports both I2C and SPI interfaces, also is compatible with 3.3V/5V voltage levels.

Due to its ultra small form factor, low power consumption, high precision with stability, the BME280 Environmental Sensor is suited for applications such as environment monitoring, weather forecast, altimeter, and IoT projects, and so on.

Features: 

1. Supports I2C (default), configurable slave address
2. Supports SPI, switch to SPI via I/O setting
3. Onboard voltage level translator, compatible with 3.3V/5V operating voltage
4. Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)

Package Includes:

1 x BME280 Environmental Sensor

1 x PH2.0 6PIN wire 20cm

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.

This multifunctional environmental sensor comprises SHTC3 temperature & humidity sensor, BMP280 barometric pressure sensor, VEML7700 ambient light sensor, and ML8511 UV sensor into one and offers 5 kinds of environmental parameters.

Professional sensor chips are selected for each kind of parameter measurement. The reasonable layout and heat conduction of main chips are carefully considered in the circuit design, which effectively guarantees the accuracy of the data.

The product has an MCU processing chip onboard that converts the sensor raw data into values with the standard unit so you can directly use them. For instance, ℃ and °F for temperature, % for humidity, Kpa for barometric pressure, lx for light illuminance, and mw/m² for UV light.

The environmental sensor supports two communication methods(UART and I2C) and provides two versions: Gravity and Fermion(breakout), also complete Arduino and Python libraries are provided.

Exquisite and small, you can use it to make indoor and outdoor environmental monitoring systems, or for your environmental monitoring topics. This DFRobot environmental sensor can greatly simplify the wiring and codes of your project.

Connection for UART and I2C

Features:

APPLICATIONS

Specifications:

Package Includes:

1 x Gravity: Multifunctional Environmental Sensor

1 x Gravity 4P Connector

This environment sensors module gives Raspberry Pi the ability to collect environment data like temperature & humidity, air pressure, ambient light intensity, VOC, IR ray, UV ray, etc. It can also be used to build a robot that can detect motion and orientation

Whats on Board:

1. Raspherry Pi 40PIN
   1. For connecting to Raspberry Pi easily
2. TSL25911FN
   1. Digital ambient light sensor, for measuring IR and visible light
3. LTR390-UV-1
   1. UV sensor
4. SGP40
   1. VOC sensor
5. ICM20948
   1. 3-axis accelerometer, 3-axis gyroscope, 3-axis magnetometer
6. BME280
   1. Measuring temperature, humidity, and air pressure sensor
7. Voltage level translator
   1. 5V to 1.8V
8. Regular
   1. 5V to 3.3V/1.8V

Features: 

1. 40PIN GPIO, Compatible with all the Raspberry Pi Boards.
2. Onboard TSL25911FN digital ambient light sensor, for measuring IR and visible light
3. Onboard BME280 sensor, for measuring temperature, humidity, and air pressure
4. Onboard ICM20948 motion sensor, accelerometer, gyroscope, and magnetometer
5. Onboard LTR390-UV-1 sensor, for measuring UV rays
6. Onboard SGP40 sensor, for detecting ambient VOC
7. Onboard 1.3inch OLED display, for displaying environment data in real-time
8. I2C bus allows reading and displaying data by just using two wires
9. Comes with development resources and user manual (python examples)

Package Includes:

1 x Environment Sensor HAT
1 x 2x20PIN female header
1 x 4PIN header
1 x RPi screws pack (2pcs)

Imagine you are in a poor air quality environment without knowing it, or you want a device that can detect harmful gases in real-time, that device can be easily deployed and used, for a way long time applying. Then this Grove-all-in-one environmental sensor will be the amazed Grove for you.

Grove-all in one environmental sensor SEN54 powered is an integrated, superior Grove IIC ambient sensor, assembling PM, VOC, RH, Temperature sensing functionality, delivering up to 7 types of the environmental data signal, sensing in high accuracy and operating for long terms, born for HVAC(Heating, Ventilation, and Air Conditioning) and air quality long years detecting applications. Powered by Sensirion, it represents fine sensing performance, and there will be only one Grove cable needed between the sensor and the single board, such as Wio terminal, Seeeduino, Arduino expansion board, Raspberry Pi expansion board, and XIAO expansion board, as simplifying the edge in the wild.

The sensor is equipped with sensing components that can change the magnitude of the current corresponding to a specific gas to measure VOC(Volatile Organic Compounds), where applies the same principle to sense Temp(Temperature), RH(Relative Humidity). There is a laser generator and a filter on the sensor as it utilizes the laser scattering method to calculate the particle size of the gas passing the sensor for precise PM1.0, PM2.5, PM4, and PM10 detection. It will continuously output 7 signals above and the sampling interval will be just 1 second.

Based on the complex mathematical algorithm and model, the sensor has been designed to output calibrated digital signals to ensure superior sensing accuracy. Meanwhile, the sensing components on it possess high robustness which makes it cable of operating 24/7 for up to 10 years. There are three operating modes available for the user, which is helpful for edge deploying. It costs only 6.8 mA under RHT/Gas-Only Measurement Mode and 2.6 mA for Idle Mode while the full function of Measurement mode can be programmed to set on or off through the IIC function.

Application

1. Heating Ventilation and Air Conditioning
2. Air Quality Detection
3. Respiratory Healthcare
4. Harmful Gas Alarm
5. Particulate Matter Alert
6. Fire Alarm
7. Chemical Experiment
8. Smart Farm

Features:

1. Comprehensive detection: Support PM, VOC, RH, and Temp all four ambient data signal continuously sensing
2. One driver for 7 data signals: Deliver 4 types of PM and 3 primary ambient signals through the IIC function
3. One wire for all data output: Represent Grove family simplified connection for only one Grove cable required between the sensor and the processor
4. Superior sensing accuracy: Calibrate full digital signals to output powered by Sensirion
5. Superior operating lifetime: Maintain fine performance for up to 10 years
6. Selectable modes for deploying with the edge: Provide Idle, RHT/Gas-Only, Measurement Mode for various low-cost applied edge

Note: For technical Details go through the datasheet in the attachments section

Package Includes:

1 x Grove – all in one environmental sensor SEN54
1 x Grove cable

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