Practice - Interfacing Peripheral Devices with a Microcontroller
Practice Questions
Test your understanding with targeted questions
What is the purpose of a resistor when connecting an LED?
💡 Hint: Think about what happens if too much current flows.
What component do we use to control a relay from a microcontroller?
💡 Hint: Consider how we control larger currents.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What value does the resistor need to be when connecting an LED to a microcontroller?
💡 Hint: Calculate using the voltage across the LED and its current specifications.
True or False: It is safe to connect a relay directly to a microcontroller pin.
💡 Hint: Consider the current limitations of microcontroller pins.
3 more questions available
Challenge Problems
Push your limits with advanced challenges
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.
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Reference links
Supplementary resources to enhance your learning experience.
- Interfacing LED with a Microcontroller
- How to connect LED to Microcontroller using NPN Transistor
- Understanding Electromechanical Relays
- Interfacing a Matrix Keypad to Arduino
- Interfacing Seven-Segment Display
- How to Interface LCD with Microcontroller
- Understanding A/D and D/A Converters
- A Simple Way to Use the LCD