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  2. Variable reluctance sensor - Wikipedia

    en.wikipedia.org/wiki/Variable_reluctance_sensor

    A VR sensor used as a simple proximity sensor can determine the position of a mechanical link in a piece of industrial equipment. A crankshaft position sensor (in an automobile engine) is used to provide the angular position of the crankshaft to the engine control unit. The engine control unit can then calculate engine speed (angular velocity).

  3. Proximity sensor - Wikipedia

    en.wikipedia.org/wiki/Proximity_sensor

    A proximity sensor (often simply prox) is a sensor able to detect the presence of nearby objects without any physical contact. A proximity sensor often emits an electromagnetic field or a beam of electromagnetic radiation ( infrared , for instance), and looks for changes in the field or return signal .

  4. List of wireless sensor nodes - Wikipedia

    en.wikipedia.org/wiki/List_of_wireless_sensor_nodes

    A sensor node, also known as a mote (chiefly in North America), is a node in a sensor network that is capable of performing some processing [1], gathering sensory information and communicating with other connected nodes in the network. A mote is a node but a node is not always a mote.

  5. ArduSat - Wikipedia

    en.wikipedia.org/wiki/ArduSat

    ArduSat is an Arduino based nanosatellite, based on the CubeSat standard. It contains a set of Arduino boards and sensors. It contains a set of Arduino boards and sensors. The general public will be allowed to use these Arduinos and sensors for their own creative purposes while they are in space.

  6. 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.

  7. Robotic sensors - Wikipedia

    en.wikipedia.org/wiki/Robotic_sensors

    Proximity: Non-contact detection of an object. Sensors can measure physical properties, such as the distance between objects, the presence of light and the frequency of sound. [3] They can measure: Object Proximity: The presence/absence of an object, bearing, color, distance between objects. Physical orientation. The co-ordinates of object in ...

  8. Obstacle avoidance - Wikipedia

    en.wikipedia.org/wiki/Obstacle_avoidance

    Example of obstacle avoidance using sensors. One of the most common approaches to obstacle avoidance is the use of various sensors, such as ultrasonic , LiDAR , radar , sonar , and cameras . These sensors allow an autonomous machine to do a simple 3 step process: sense, think, and act.

  9. Sensor node - Wikipedia

    en.wikipedia.org/wiki/Sensor_node

    Active sensors actively probe the environment, for example, a sonar or radar sensor, and they require continuous energy from a power source. Narrow-beam sensors have a well-defined notion of direction of measurement, similar to a camera. Omnidirectional sensors have no notion of direction involved in their measurements.