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Session 14

Authored by Saliha Sherin

Other

7th Grade

Session  14
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main function of the Smart Bed Lamp project?

To measure temperature in a room

To turn on an LED when there is light

To light up an LED in the dark and turn it off in bright light

To play music automatically

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What sensor is used in this project to detect light levels?

Temperature Sensor

LDR (Light Dependent Resistor)

Ultrasonic Sensor

IR Sensor

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the LDR’s resistance in bright light?

It increases

It disappears

It stays the same

It decreases

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which component acts as the brain of the Smart Bed Lamp?

Battery

Jumper Wire

LED

Arduino Nano / Kitolit Brain

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What pin is used to read the LDR value in the Smart Lamp project?

D4

A4

GND

D1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the microcontroller do when it reads a light level below the threshold (e.g., 500)?

Turns the LED off

Resets the board

Turns the LED on

Changes the threshold value

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What kind of pin is D4 on the Kitolit Brain or Arduino Nano?

Analog pin

Ground pin

Digital pin

Power pin

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