Week 8 Quiz: Introduction to Arduino Hardware

Test your understanding of Arduino boards, components, and hardware concepts

📝 10 questions covering Arduino hardware, power, pins, and expansion

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Question 1: Operating Voltage

What is the operating voltage of Arduino Uno?

A) 3.3V B) 5V C) 9V D) 12V

Question 2: Digital I/O Pins

How many digital I/O pins does Arduino Uno have?

A) 6 B) 14 C) 20 D) 54

Question 3: Input Voltage Range

What is the recommended external power input voltage range for Arduino Uno?

A) 3-5V B) 5-9V C) 7-12V D) 12-24V

Question 4: PWM Pins

Which pins on Arduino Uno support PWM output?

A) All digital pins (0-13) B) Pins 3, 5, 6, 9, 10, 11 C) Only analog pins A0-A5 D) Pins 0, 1, 2, 4, 7, 8

Question 5: Microcontroller

What microcontroller does Arduino Uno use?

A) ATmega168 B) ATmega328P C) ATmega2560 D) ATmega32u4

Question 6: Current Limits

What is the maximum current that each Arduino pin can safely source or sink?

A) 20mA B) 40mA C) 100mA D) 500mA

Question 7: Arduino Shields

What is the main advantage of using Arduino shields?

A) They make Arduino run faster B) They provide plug-and-play functionality without complex wiring C) They increase the memory capacity D) They reduce power consumption

Question 8: Arduino Models

Which Arduino model is best suited for projects requiring many I/O pins?

A) Arduino Nano B) Arduino Uno C) Arduino Mega 2560 D) Arduino Leonardo

Question 9: Power Safety

Explain three important safety considerations when powering an Arduino board. Include voltage limits, current limits, and polarity concerns.

Question 10: Board Selection

You're designing a wearable fitness tracker that needs to be very small and monitor heart rate, steps, and temperature. Which Arduino board would you choose and why? Consider size, power consumption, and I/O requirements.

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