Practice Sensor And Actuator Interfacing (3) - Sensors and Actuators

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10 questions

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6 sample questions

Question 1.
What is the primary use of digital pins?
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Think of devices that only have two states.
Question 2.
Name one type of sensor that uses an analog pin.
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Consider a sensor that measures something that can change.
3Question 3.
What type of pin is used for reading binary signals?
- Digital Pins
- Analog Pins
- PWM Pins
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Think of yes or no, on or off.
4Question 4.
True or False: Analog pins can be used for binary signals.
- True
- False
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Consider what you need for continuous data.
Question 5.
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.
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Consider what logical conditions will turn the relay on.
Question 6.
Design a small robotic system that avoids obstacles using an ultrasonic sensor and controls DC motors. Explain your code logic.
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What should the robot do when an obstacle is too close?

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