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Electronics 3 > Sensors > Flashcards

Sensors Flashcards

1
Q

A device that measures physical input from its environment and converts it into data that can be interpreted by either a human or a machine

A

Sensors

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2
Q

Types of Sensors

A

Analog, Digital

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3
Q

Are the devices that produce analog output in correspondence to the quantity being calculated.

A

Analog Sensors

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4
Q

Types of Analog Sensors

A

Accelerometers
Light Sensors
Sound Sensors
Pressure Sensors
Analog Temperature Sensor

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5
Q

Detect changes in acceleration applied on the sensor

A

Accelerometers

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6
Q

Detects light energy and is converted to that of electrical energy

A

Light Sensors

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7
Q

These light sensor, also termed as solar cells, act in response to light levels either by generating voltage or current and stored in silicon cells for further usage.

A

Photovoltaic

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8
Q

This type of light sensor is mainly utilized for gauging purposes and reacting for light levels.

A

Light-Dependent

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9
Q

Light sensor that acts in response to various infrared levels and performs as switches.

A

Photo Diode

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10
Q

detect closeness of another item or detects motion

A

Proximity

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11
Q

Modules to find out sound waves by the intensity and converting those into electrical signals

A

Sound Sensors

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12
Q

Measurement of pressure levels of either liquid or gases

A

Pressure sensor

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13
Q

Other term for pressure sensor

A

piezometers

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14
Q

deliver analog output voltage or current signals in linear to the temperature levels

A

Analog Temperature Sensor

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15
Q

Accuracy of analog temperature sensors

A

+-10C

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16
Q

Other term for Analog Temperature sensor

A

Thermistor

17
Q

Electrical Sensors where the information is converted to digital form and then transmitted

A

Digital Sensors

18
Q

Single distinct output of a digital signal

A

bit

19
Q

Combination of multiple bits

A

byte

20
Q

Types of Digital Sensors

A

Digital Accelerometers
Digital Temperature Sensor

21
Q

Generally make use of PWM to generate output pulses

A

Digital Accelerometer

22
Q

Output waveform of a digital accelerometer

A

Square Wave

23
Q

Silicon dependent temperature sensors where the output is the accurate digital representation of the measured temperatures

A

Digital Temperature Sensors

24
Q

Accuracy of Digital Temperature Sensors

A

+-0.5C

25
Q

Typical temperature range of Digital Temperature Sensors

A

0C to 700C

26
Q

Solid-state devices where a part of the camera’s hardware which illustrates light and converts the visible light into a picture

A

Digital Camera Sensor

Electronics 3 (7 decks)

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