Practice Power Consumption (8.7.3) - Timer, GPIO, and 7-Segment Peripherals
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Power Consumption

Practice - Power Consumption

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the purpose of using low-power modes?

💡 Hint: Think about how devices save battery life.

Question 2 Easy

Name one strategy to save power when using GPIO.

💡 Hint: What do you do with things when they're not in use?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a primary benefit of using sleep modes?

Increased functionality
Reduced power consumption
Improved speed

💡 Hint: Think about what happens when a device isn't being used.

Question 2

True or False: Multiplexing increases the average power draw of a display system.

True
False

💡 Hint: Consider how many segments are lit at once.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design an application using a microcontroller with a 7-segment LED display and explain how you would minimize power consumption in both the display and GPIO.

💡 Hint: Think of using your resources wisely during less active times.

Challenge 2 Hard

Evaluate a scenario where a power-sensitive application could benefit from using a low-power timer configuration. Explain your reasoning.

💡 Hint: Consider what happens when you check a watch infrequently vs continuously.

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Reference links

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