IR sensor with Arduino

IR sensor with Arduino

7th Grade

10 Qs

quiz-placeholder

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IR sensor with Arduino

IR sensor with Arduino

Assessment

Quiz

Computers

7th Grade

Hard

Created by

Innovator Sir

Used 1+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does IR stand for in "IR sensor"?

Infrared

Internal Reflectance

Input Receiver

Infrared Receiver

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of electromagnetic radiation does an IR sensor detect?

Ultraviolet

Visible light

Infrared

X-rays

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pin of the Arduino Uno is commonly used to read digital signals from an IR sensor?

Analog pin

5V pin

Ground pin

Digital pin

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the typical output of an IR sensor when it detects an obstacle?

High voltage

Low voltage

Analog signal

PWM signal

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which Arduino function is used to read the digital signal from the IR sensor?

analogRead()

digitalRead()

pulseIn()

readIR()

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of obstacle is NOT usually detected well by IR sensors?

Transparent objects

Metallic objects

Reflective surfaces

Opaque objects

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can the sensitivity of an IR sensor be adjusted?

By changing the input voltage

By adjusting the potentiometer on the sensor module

By changing the frequency of the emitted infrared light

By changing the digital pin

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