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WorksheetsMicrocontroller and Servo Motor Quiz
Total questions: 24
Worksheet time: 12mins
What is the primary goal of Activity 3.2.5?
To create a new microcontroller
To manage inputs and outputs of a microcontroller
To design a new type of servo motor
To build a new type of sensor
What type of output device responds to a broad range of values rather than just 0 and 1?
Digital output device
Analog output device
Binary output device
Mechanical output device
What is a continuous servo designed to do?
Rotate within a limited range
Rotate beyond one full revolution
Move linearly
Provide digital signals
Which pins on the micro:bit are optimized for analog outputs for a servo?
Pin 0 and Pin 1
Pin 2 and Pin 3
Pin 4 and Pin 5
Pin 6 and Pin 7
What should you never connect to the GND or negative power rail to avoid damaging the micro:bit?
5V row
3V3 row
12V row
9V row
What is the purpose of the servo horn?
To provide power to the servo
To control the servo speed
To better see the servo rotation speed
To connect the servo to the micro:bit
What does pressing button A on the micro:bit do in the continuous servo program?
Turns the servo clockwise at full speed
Turns the servo counterclockwise at full speed
Stops the servo
Increases the servo speed
What is the range of values for the continuous servo used in this activity?
0 to 180 units
70 to 110 units
50 to 150 units
30 to 90 units
What is an event handler in programming?
A control statement that initiates a program
A block that checks for conditions
A block that looks for inputs or events to perform specific actions
A block that repeats a program
What type of input does a potentiometer provide?
Digital input
Analog input
Binary input
Mechanical input
What is the purpose of the potentiometer in the analog input program?
To control the servo speed
To provide power to the micro:bit
What is the range of input values for the potentiometer?
0 to 180
1 to 1023
50 to 150
30 to 90
What does the flex sensor measure?
Voltage
Resistance
Current
Temperature
What is the recommended maximum angle to flex the sensor to avoid damage?
45 degrees
60 degrees
90 degrees
120 degrees
What does pressing button A do in the flex sensor program?
Displays the value on the LED matrix
Turns the servo clockwise
Stops the servo
Increases the servo speed
What is the purpose of the emergency stop in the circuit?
To provide power to the servo
To disable the servo motion rapidly
To control the servo speed
To connect the servo to the micro:bit
What type of switch is used for the emergency stop?
Slide switch
Push-button switch
Toggle switch
Rotary switch
What does the E Stop push-button switch do when pressed?
Enables the system
Disables the system
Increases the servo speed
Decreases the servo speed
What ergonomic factors should be considered when designing an input device?
Size and shape
Color and material
Comfort and ease of use
Weight and durability
What is the purpose of using a variable power supply in the servo circuit?
To provide sufficient power to operate the continuous servo
To control the servo speed
To measure the input values
To connect the servo to the micro:bit
What does the Set Servo code block do?
Establishes the low-to-high range of the continuous servo
Turns the servo clockwise
Stops the servo
Increases the servo speed
What is the purpose of the Show Number code block in the event handler program?
To display the potentiometer analog input on the LED matrix
To control the servo speed
To provide power to the micro:bit
To connect the servo to the micro:bit
What does the flex sensor hand grip control in the flex sensor program?
The servo speed
The micro:bit power
What should you do if your circuit does not behave as expected?
Turn off the power supply
Refer to the Circuit Troubleshooting Checklist
Increase the servo speed
Connect the servo to the micro:bit
