Practice Observation (3.4) - Introduction to ARM Microcontrollers - Basic I/O and Peripherals
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Observation

Practice - Observation

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Practice Questions

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Question 1 Easy

What does the LED do when the program is executed?

💡 Hint: Consider the programmed logic for the LED.

Question 2 Easy

What is the purpose of a pushbutton in this experiment?

💡 Hint: Think about how input devices interact with outputs.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What happens to the LED when the pushbutton is pressed?

LED turns ON
LED turns OFF
LED blinks continuously

💡 Hint: Think of the circuit logic.

Question 2

True or False: The duty cycle can be defined as the time the signal is OFF versus the total cycle time.

True
False

💡 Hint: Remember the definition of duty cycle.

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Challenge Problems

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Challenge 1 Hard

Design a program that implements different blink patterns for the LED based on the pushbutton pressed state. What modifications would you make?

💡 Hint: Think about state management in your program.

Challenge 2 Hard

Using an oscilloscope, measure the behavior of LED when the duty cycle is set to 75%. What do you expect to see?

💡 Hint: Consider adjusting your parameters before you measure.

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Reference links

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