What is the purpose of using Arduino in the traffic light project?

• To play music for pedestrians

• To control the timing and sequence of the lights.

• To measure the temperature of the lights

• To control the volume of the traffic noise

In Tinkercad simulation, what component is used to represent the traffic light?

• LED

• Capacitor

• Transistor

• Resistor

What is the function of a resistor in a traffic light circuit?

• To play a musical tune when the traffic light changes

• To limit the flow of current and prevent damage to the LED lights

• To increase the flow of current and make the LED lights brighter

• To control the temperature of the traffic light

Which programming language is commonly used for Arduino programming?

• Ruby

• C++

• Java

• Python

What does the 'void setup()' function do in Arduino programming?

• It is used to control the speed of the Arduino board

• It is used to print output to the serial monitor

• It is used to define the size of the Arduino board

• It is used to initialize the Arduino board and run only once when the board is powered on or reset.

What does the 'delay()' function do in Arduino programming?

• Stops the program completely

• Pauses the program for a specified number of milliseconds

• Resets the program to its initial state

• Skips the next line of code

How can you change the duration of each traffic light phase in the Arduino code?

• Add more sensors to the traffic light

• Modify the delay time in the Arduino code for each phase

• Increase the voltage to the traffic light

• Change the color of the traffic light

What is the role of a breadboard in circuit design?

• To act as a power source for the circuit

• To provide a stable foundation for the circuit

• To create temporary circuits for testing and prototyping without soldering.

• To heat up the components for better conductivity

What is the difference between series and parallel circuits?

• In series circuits, the current has only one path to follow, while in parallel circuits, the current has multiple paths to follow.

• In series circuits, the current has multiple paths to follow, while in parallel circuits, the current has only one path to follow.

• In series circuits, the voltage remains the same across all components, while in parallel circuits, the voltage changes across components.

• In series circuits, the resistance adds up, while in parallel circuits, the resistance remains the same.

What is the purpose of using a push button in the traffic light project?

• To activate the sprinkler system

• To play music

• To allow pedestrians to request a crossing

• To change the color of the traffic light