Led Pattern

1. What is Arduino used for?

• a) Controlling home appliances remotely

• b) Monitoring environmental conditions

• c) Building interactive projects

• d) Analyzing stock market trends

2. Why would Mira blink an LED in a specific pattern?

• a) To communicate information or create visual effects

• b) To demonstrate programming skills

• c) To predict the LED's future behavior

• d) To control the LED's size

3. How is the delay between LED blinks controlled in Arduino programming?

• a) By predicting the user's mood
• b) By using the delay() function to set the time interval
• c) By adjusting the voltage
• d) By predicting the LED's temperature

4. In a smart home project, which Arduino pin is commonly used to connect an LED for blinking?

• a) Pin 0

• b) Pin 13

• c) Pin A0

• d) Pin R2D2

5. How can you create a short blink followed by a long blink pattern using Arduino?

• a) By predicting the weather
• b) By using special LED cables
• c) By alternating short and long delays between LED on and off states
• d) By changing the LED's size

6. What does the "void loop()" function in Arduino code control?

• a) Predicts future loops
• b) Executes the loop pattern infinitely
• c) Measures the loop's diameter
• d) Changes the color of the loo

7. What is the purpose of the pinMode() function in Arduino programming?

• a) Predicting the future of pins
• b) Measuring the size of pins
• c) Changing the color of pins
• d) Configuring a pin as an output or input

8. Aanya is working on a project using Arduino. Which Arduino function should she use to turn off the LED?

• a) turnOff()

• b) digitalWrite()

• c) off()

• d) blinkOff()

9. How does the millis() function contribute to more advanced LED patterns?

• a) By predicting the current time
• b) By controlling the LED's size
• c) By providing a timer for precise timing without using delays
• d) By changing the LED's temperature

10. How does the digitalWrite() function differ when setting the LED to ON (HIGH) and OFF (LOW) states in controlling a traffic signal?

• a) Setting the LED to ON (HIGH) and OFF (LOW) states

• b) Changing the LED's color

• c) Predicting the LED's behavior

• d) Controlling the LED's temperature