Arduino

What is the main function of the void setup() in Arduino IDE?

• Read the state of a digital pin

• Run the main logic of the program

• Initialize variables

• Write a digital value to a digital pin

Which Arduino board uses Atmega328P Microcontroller?

• Arduino Nano

• Arduino UNO

• Arduino Due

• Arduino Mega

What is the input voltage of Arduino?

• 15v

• 5v

• 9v

• 12v

What is the purpose of using analogRead() in Arduino IDE?

• Generate a random number

• Measure the temperature of the surroundings

• Read the value of an analog pin

• Control the speed of a motor

Which pins are used for serial communication between 2 devices in Arduino UNO?

• D6 and D7

• D0 and D1

• D4 and D5

• D2 and D3

What is the purpose of the Reset Button in Arduino?

• To output a PWM signal

• To reset the entire code

• To read the state of a digital pin

• To initialize variables

Which command is used to write a digital value (HIGH or LOW) to a digital pin in Arduino IDE?

• analogRead()

• pinMode()

• digitalRead()

• digitalWrite()

What is the purpose of SDA and SCL pins in Arduino?

• For analog input

• For serial communication

• For I2C Communication

• For PWM

Which Arduino board has a total of 14 digital input/output pins & 6 analog input pins?

• Arduino UNO

• Arduino Nano

• Arduino Mega

• Arduino Due

What is the function of the delay() function in Arduino?

• To create a pause in the program

• To control the speed of a motor

• To read the state of a digital pin

• To initialize variables