Sensors and Actuators
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Questions and Answers

Which of the following is an example of a digital output?

  • Analog input
  • Relay
  • Light Emitting Diode (LED) (correct)
  • DC motor

    • What is the function of a diode in an electrical circuit?

  • To only allow electricity to flow in one direction (correct)
  • To allow electricity to flow in both directions
  • To convert electrical signal to mechanical motion
  • To emit light

    • What is the purpose of a relay in a circuit?

  • To convert electrical signal to mechanical motion
  • To switch circuit components using an electronic signal (correct)
  • To convert analog input to digital output
  • To emit light

    • Which type of motor is commonly used with Arduino?

    <p>Servo motor</p> Signup and view all the answers

    What are wires used for in electrical circuits?

    <p>To connect different circuit components</p> Signup and view all the answers

    Which term is used to describe the variability of a measurement?

    <p>Uncertainty</p> Signup and view all the answers

    What is the difference between error and uncertainty in measurement?

    <p>Error refers to mistakes in measurement, while uncertainty refers to the range of possible values for a measurement</p> Signup and view all the answers

    What are the two types of uncertainty components in measurement?

    <p>Random and systematic</p> Signup and view all the answers

    What are some examples of sources of uncertainty in measurement?

    <p>Temperature and pressure</p> Signup and view all the answers

    What is the procedure for analyzing uncertainty in measurement?

    <p>Using statistical methods to estimate the uncertainty</p> Signup and view all the answers

    Study Notes

    Digital Output

    • A digital output is an example of a binary signal that can have only two distinct values, typically represented as 0 or 1.

    Diode Function

    • A diode in an electrical circuit acts as a one-way switch, allowing current to flow in one direction but blocking it in the other.

    Relay Function

    • A relay in a circuit is an electrically operated switch that can be controlled remotely to open or close a circuit.

    Motor Types

    • A stepper motor is commonly used with Arduino due to its precise control and positioning capabilities.

    Wire Functions

    • Wires in electrical circuits are used to conduct electricity and connect components together.

    Measurement Variability

    • The term used to describe the variability of a measurement is uncertainty.

    Error vs. Uncertainty

    • Error refers to a systematic deviation from the true value, whereas uncertainty is a random variation in the measurement.

    Uncertainty Components

    • The two types of uncertainty components in measurement are random and systematic.

    Sources of Uncertainty

    • Examples of sources of uncertainty in measurement include instrument limitations, environmental factors, and human error.

    Analyzing Uncertainty

    • The procedure for analyzing uncertainty in measurement involves identifying the sources of uncertainty, estimating their magnitude, and combining them to obtain the overall uncertainty.

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    Description

    Test your knowledge on sensors and actuators with this quiz! Learn about prototype construction, digital inputs and outputs, analog output and input, and various physical variables. Explore the concepts of sensors, ADC, computer, DAC, and control of physical variables. Discover the functionality of light-emitting diodes (LEDs) and diodes in this informative quiz.

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