Workshop Tests

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Workshop Tests

Test your knowledge with these short quizzes and track your progress

What does analogRead(A0); do?

1 point

Reads a digital value from pin A0

Sends power to pin A0

Reads an analog value from pin A0

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What is the purpose of the map() function in Arduino?

1 point

Controls PWM speed

Creates random values

Converts analog signals to digital

Scales a number from one range to another

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What does myServo.write(90); do?

1 point

Moves the servo to 90 degrees

Turns the servo off when its position reach 90 degrees

Calibrates the servo motor 90 times

Reads the servo’s position

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What are the typical pins used for an ultrasonic sensor (like HC-SR04)?

1 point

Trig and Echo

SDA and SCL

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What does the Trig pin do on an ultrasonic sensor?

1 point

Listens for returning signal

Sends out an ultrasonic pulse

Powers the sensor

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Which function is used to output a PWM signal in Arduino?

1 point

pwmSignal()

analogWrite()

digitalWrite()

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What range of values can be used with analogWrite()?

1 point

0 to 255

0 to 1023

1 to 256

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On which Arduino pins can PWM output usually be used?

1 point

Any digital pin

Only on analog pins

Digital pins marked with a ~ (tilde)

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How do you include a library in an Arduino sketch?

1 point

#include <Servo.h>

import "Servo.h"

load Servo.h

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What does the pulseIn() function do?

1 point

Measures the duration of a HIGH or LOW pulse on a pin

Sets the pulse width of a PWM signal

Measures the volatge of pulse on a pin for duration

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