Acoustic, Used in security systems to detect sudden increases in sound, such as a broken window., Accelerometer, Used in mobile phones to detect orientation and in cars to detect crashes., Flow, Used in factories and power plants to ensure flow through pipes is constant., Gas, Used in homes to detect gases such as carbon monoxide., Humidity, Used in farming and greenhouses to maintain the correct moisture level., Infra-red, Used in security systems to detect the distance and movement of intruders., Level, Used in cars to ensure oil and fuel do not get too low., Light, Used in automatic lighting systems and street lights to turn lights on when it gets dark., Magnetic field, Used to count cars entering a car park., Moisture, Used in farming to ensure soil has the right water level., pH, Used to check lakes and rivers for pollution., Pressure, Used in security systems to detect when a door or window is opened., Proximity, Used in manufacturing robots to detect their distance from objects., Temperature, Used in air-conditioning systems to maintain a set room temperature.

Sensor Types and Its Example Usage (CS - O level)

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