
IR sensor with Arduino

Quiz
•
Computers
•
7th Grade
•
Hard
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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