Module 8
Robotics
Made by @Sakshi
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1: Which type of sensor is commonly used in line following robots to detect the line?
15s
Ultrasonic sensor
Infrared Radiation sensor
Level Detection Sensor
Temperature sensor
2: What is the purpose of the L293D motor driver in a robot?
15s
To sense light
To change motor direction of car
Adjust speed using pwm
To control both motor direction and speed
3: How many DC motors can L293D control simultaneously
15s
1
2
4
Infinite
4: Which component receives the reflected IR light in an IR sensor?
15s
LED
Photodiode
Resistor
Capacitor
5: How can you control direction of car?
15s
By moving both motors forward
By making both moving opposite
By changing PWM signal
By controlling direction and speed of both motors
6: What are the pins present on IR sensor?
15s
Input, Output, Speed
VCC, Gnd, Input
VCC, Gnd, Output
VCC, Gnd, Input, Output
7: Can you connect to wifi directly using Arduino Board?
10s
True
False
8: What is the purpose of Enable pin in L293D?
15s
To vary the motor speed
Enable the Motor
Disable the Motor
All of the above
9: What will happen when the enable pin of L293d is LOW?
15s
The motor is enabled
The motor won’t rotate
Motor will move forward
None of the above
10: What is function to check IR sensor value?
15s
analogRead
Both digitalRead, digitalWrite
digitalRead
Both analogRead, digitalRead
11: What can you read with Analog Pins on Arduino
15s