Traffic Light

Which of the following component is NOT required to make Trrafic light system with Arduino UNO?

• Breadboard

• Jumper Cable

• LEDs

• Pushbutton

Siya, Prisha, and Myra are working on a cool project involving a traffic light system using Arduino Uno. Can you guess which component is in charge of controlling the lights?

• LEDs

• Resistors

• Arduino Uno

• Transistors

Hey there! Krish, Dia, and Ishika are planning to build a traffic light system using an Arduino Uno. Can you help them out by telling which pins of the Arduino Uno are commonly used to connect LEDs for the traffic light system?

• Analog pins

• Digital pins

• Power pins

• Ground pins

Arjun, Aditi, and Aisha are playing a game. How many states does a basic traffic light system typically have?

• 0

• 1

• 2

• 3

Hey there! In the world of Arduino magic, which spell do we cast to awaken the traffic lights?

• cast pinMode()

• summon digitalWrite()

• invoke analogWrite()

• chant delay()

Hey there! Can you help Prisha figure out how LEDs are wired in a traffic light system using Arduino Uno?

• All LEDs are connected in parallel.

• All LEDs are connected in series.

• Each LED has its individual resistor.

• LEDs are connected directly to the digital pins without resistors.

Hey there! Can you tell me which magical Arduino function can bring an LED to life on a specific pin?

• castSpell()

• digitalWrite()

• enchant()

• ignite()

Hey there! Can you guess why there's a little break between the traffic light colors changing?

• Because it's a secret dance party for the cars

• So that Kavya can finish her snack before driving off

• To make sure Rohan has enough time to show off his cool car tricks

• To give Dia a chance to take a deep breath and relax

Which resistor is typically found in series with each LED in a traffic light system to control current flow?

• 100 ohms

• 500 ohms

• 220 ohms

• 1000 ohms

Hey there! Can you guess which superhero from the following list follows the instructions of the traffic light system?

• Iron Man

• Spider-Man

• Black Widow

• Captain America