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  2. Sensor - Wikipedia

    en.wikipedia.org/wiki/Sensor

    Different types of light sensors. A sensor is a device that produces an output signal for the purpose of detecting a physical phenomenon.. In the broadest definition, a sensor is a device, module, machine, or subsystem that detects events or changes in its environment and sends the information to other electronics, frequently a computer processor.

  3. List of sensors - Wikipedia

    en.wikipedia.org/wiki/List_of_sensors

    Speed sensors are machines used to detect the speed of an object, usually a transport vehicle. They include: Wheel speed sensors; Speedometers; Pitometer logs;

  4. Robotic sensors - Wikipedia

    en.wikipedia.org/wiki/Robotic_sensors

    Types of robot sensors (Light and Sound sensors) Robotic sensors are used to estimate a robot's condition and environment. These signals are passed to a controller to enable appropriate behavior. [1] [2] Sensors in robots are based on the functions of human sensory organs. Robots require extensive information about their environment in order to ...

  5. Image sensor - Wikipedia

    en.wikipedia.org/wiki/Image_sensor

    A CCD image sensor on a flexible circuit board An American Microsystems, Inc., (AMI) 1-kilobit DRAM chip (center chip with glass window) used as an image sensor by the Cromemco Cyclops An image sensor or imager is a sensor that detects and conveys information used to form an image .

  6. Electro-optical sensor - Wikipedia

    en.wikipedia.org/wiki/Electro-optical_sensor

    Optical heart-rate sensor. Electro-optical sensors are used whenever light needs to be converted to energy. Because of this, electro-optical sensors can be seen almost anywhere. Common applications are smartphones where sensors are used to adjust screen brightness, and smartwatches in which sensors are used to measure the wearer's heartbeat.

  7. Robotic sensing - Wikipedia

    en.wikipedia.org/wiki/Robotic_sensing

    There are three types of tactile sensors. The first, single point sensors, can be compared to a single cell, or whiskers, and can detect very local stimuli. The second type of sensor is a high spatial resolution sensor which can be compared to a human fingertip and is essential for the tactile acuity in robotic hands.

  8. Photoelectric sensor - Wikipedia

    en.wikipedia.org/wiki/Photoelectric_sensor

    Remote photoelectric sensors used for remote sensing contain only the optical components of a sensor. The circuitry for power input, amplification, and output switching is located elsewhere, typically in a control panel. This allows the sensor, itself, to be very small. Also, the controls for the sensor are more accessible, since they may be ...

  9. Digital sensor - Wikipedia

    en.wikipedia.org/wiki/Digital_sensor

    A digital sensor is an electronic or electrochemical sensor, where data is digitally converted and transmitted. Sensors are often used for analytical measurements, e.g. the measurement of chemical and physical properties of liquids. Examples of measured parameters are pH value, conductivity, oxygen, redox potentials.

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