Practice Interfacing Peripheral Devices with a Microcontroller - 14.6 | 14. Microcontrollers - Part C | Digital Electronics - Vol 2
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14.6 - Interfacing Peripheral Devices with a Microcontroller

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of a resistor when connecting an LED?

💡 Hint: Think about what happens if too much current flows.

Question 2

Easy

What component do we use to control a relay from a microcontroller?

💡 Hint: Consider how we control larger currents.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What value does the resistor need to be when connecting an LED to a microcontroller?

  • 0.5 Ohms
  • 220 Ohms
  • 1k Ohm

💡 Hint: Calculate using the voltage across the LED and its current specifications.

Question 2

True or False: It is safe to connect a relay directly to a microcontroller pin.

  • True
  • False

💡 Hint: Consider the current limitations of microcontroller pins.

Solve 3 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Create a flowchart illustrating the process of debouncing a keypress in a matrix keyboard setup, including hardware and software techniques.

💡 Hint: Think about what happens when a key is pressed and what signals are generated.

Challenge and get performance evaluation