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BMP180 Barometer

1. Function: Measures atmospheric pressure and temperature.
2. Range: Pressure: 300-1100 hPa, Temperature: -40°C to 85°C.
3. Accuracy: Pressure: ±0.12 hPa, Temperature: ±0.5°C.
4. Interface: I2C or SPI.

DHT11 Temperature and Humidity Sensor

1. Function: Measures temperature and relative humidity.
2. Range: Temperature: 0-50°C, Humidity: 20-90% RH.
3. Accuracy: Temperature: ±2°C, Humidity: ±5% RH.
4. Interface: Digital output (single-bus protocol).

Anemometer (Wind Speed Sensor)

1. Function: Measures wind speed.
2. Range: Typically 0-100 m/s (360 km/h or 224 mph).
3. Accuracy: ±1-5% of measured value.
4. Interface: Analog output ( voltage or current) or digital output (pulse or frequency).

These sensors can be used in various environmental monitoring applications, such as:

1. Weather stations
2. Climate monitoring
3. Air quality monitoring
4. Agricultural monitoring




An anemometer is a device used to measure wind speed and direction. Here's how it works:

Types of Anemometers:

1. Cup Anemometer: Most common type, uses 3-4 cups attached to a vertical axis. As wind blows, cups rotate, measuring wind speed.
2. Propeller Anemometer: Uses a propeller to measure wind speed. As wind blows, propeller spins, generating an electrical signal.
3. Vane Anemometer: Uses a flat plate or vane to measure wind direction. As wind blows, vane rotates, indicating wind direction.
4. Hot-Wire Anemometer: Uses a heated wire to measure wind speed. As wind blows, wire cools, changing its electrical resistance.
5. Ultrasonic Anemometer: Uses high-frequency sound waves to measure wind speed and direction.

Working Principle:

1. Mechanical Anemometers: Cup, propeller, and vane anemometers use mechanical movement to measure wind speed and direction.
2. Electrical Anemometers: Hot-wire and ultrasonic anemometers use electrical signals to measure wind speed and direction.

Applications:

1. Weather Forecasting: Anemometers help predict wind patterns, storms, and weather conditions.
2. Wind Energy: Anemometers measure wind speed and direction to optimize wind turbine performance.
3. Aviation: Anemometers provide critical wind data for aircraft takeoff, landing, and navigation.
4. Agriculture: Anemometers help monitor wind patterns for crop management, soil erosion prevention, and pesticide application.
5. Research: Anemometers are used in various research applications, such as climate studies, air quality monitoring, and wind tunnel testing.