Word:

Sensor

Sen´sor
a.1.Sensory; as, the sensor nerves.
Noun1.sensor - any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
(hardware)sensor - An electronic device used to measure a physical quantity such as temperature, pressure or loudness and convert it into an electronic signal of some kind (e.g a voltage). Sensors are normally components of some larger electronic system such as a computer control and/or measurement system.

Analog sensors most often produce a voltage proportional to the measured quantity. The signal must be converted to digital form with a ADC before the CPU can process it.

Digital sensors most often use serial communication such as EIA-232 to return information directly to the controller or computer through a serial port.
detector, device, electric eye, feel, magic eye, metal detector, mine detector, photocell, photoconductive cell, photoelectric cell, sense, sensing element, trace detector
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Sensitive flame
Sensitive joint vetch
Sensitive paper
sensitive pea
sensitive plant
sensitively
sensitiveness
Sensitivity
sensitization
Sensitize
sensitized
Sensitizer
sensitizing
Sensitometer
Sensitory
Sensive
-- Sensor --
Sensori-volitional
Sensorial
sensorimotor
sensorimotor area
sensorimotor region
sensorineural
sensorineural hearing loss
Sensorium
Sensory
sensory activity
sensory aphasia
sensory epilepsy
sensory faculty
sensory hair
sensory nerve
sensory neuron
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