Practice - ARM Microcontroller Peripherals: GPIO, Timers, PWM, ADC/DAC, SPI, I2C, UART – Common Features
Practice Questions
Test your understanding with targeted questions
What does GPIO stand for in microcontrollers?
💡 Hint: Think of the pin capability.
What is the main function of a timer in ARM microcontrollers?
💡 Hint: Consider the role of counting.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What peripheral is used to read the state of external signals?
💡 Hint: Think of the most basic pin functionality.
True or False: PWM can be used for dimming LEDs.
💡 Hint: Consider how light levels can be adjusted.
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Challenge Problems
Push your limits with advanced challenges
You have a 10-bit ADC and a reference voltage of 5V. If the ADC reads a value of 256, what is the corresponding voltage?
💡 Hint: Use the ADC conversion formula.
An LED is powered by a PWM signal of 60% duty cycle at 9V. What is the average power delivered to the LED?
💡 Hint: Think in terms of averaging the ON and OFF times of the pulse.
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Reference links
Supplementary resources to enhance your learning experience.