Practice - Sensor and Actuator Interfacing
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Practice Questions
Test your understanding with targeted questions
What is the primary use of digital pins?
💡 Hint: Think of devices that only have two states.
Name one type of sensor that uses an analog pin.
💡 Hint: Consider a sensor that measures something that can change.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What type of pin is used for reading binary signals?
💡 Hint: Think of yes or no, on or off.
True or False: Analog pins can be used for binary signals.
💡 Hint: Consider what you need for continuous data.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
You want to create a home automation system that turns on lights when it gets dark. Write a sketch that utilizes an LDR as a sensor and a relay to control the lights.
💡 Hint: Consider what logical conditions will turn the relay on.
Design a small robotic system that avoids obstacles using an ultrasonic sensor and controls DC motors. Explain your code logic.
💡 Hint: What should the robot do when an obstacle is too close?
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Reference links
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