Arduino Ide Quiz 3

Is the command correct: digitalWrite(HIGH, 8);

• correct

• wrong

digitalWrite (LED1, HIGH);

delay(1000);

digitalWrite (LED1, LOW);

What does the program do?

• LED Switch Off at the beginning, wait for 60s and then switch ON.

• LED Switch ON at the beginning, wait for 10s and then Switch OFF.

• LED Switch ON at the beginning, wait for 1s and then switch ON.

• LED Switch ON at the beginning, wait for 1s and then switch OFF.

-- is used for communication between the Arduino board and a computer or other devices.

• serial monitor

• compiler

• serial begin

• all of the above

What is the default baud rate for HC-05 in data mode?

• 9600
  

• 38400

• 57600

• 115200

Which two pins are used in an ultrasonic sensor?

• IN and OUT

• TRIG and ECHO

• A0 and A1

• RX and TX

What happens if you forget break; in a switch case?

• Arduino stops running
  
  
  

• The next case will also execute (fall-through)

• The program will restart

• Nothing happens

int LED1=4;

What is 'int= integer' used for?

• Alphabets

• Capital and small letters

• Combination of Numbers and Alphabets

• Numbers

int LED2=8;

What is number eight is referring in the coding above?

• Analog Pin

• 5V

• Ground

• Digital Pin

I use temperature sensor to read the room temperature. How do I write Temperature Sensor Set-up.

void setup(){

_______________________;

}

• PinMode (Tsensor, Output);

• pinMode (Tsensor, OUTPUT);

• PinMode (Tsensor, Input);

• pinMode (Tsensor, INPUT);

What is an 'if statement'?

• It is a necessary set up component for a sketch

• It is necessary to build a circuit

• It means that the code will loop over and over until the power source is removed

• It allows a program to make decisions based on certain conditions, such as different inputs and outputs.