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5) How many times can Kara listen to her entire playlist during a 35–minute car ride?
Your answer: 4

Good thinking!! You correctly found that she can listen to the playlist four times. (Even though there would be three minutes left after the fourth listen).

If you are interested, check out 2 other ways to solve this question:

This video uses division to find the number of times the playlist fits in 35 minutes.



This video uses a number line to model the car ride.



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Question #2

The author wrote "A binary signal is very useful when turning components on or off.".

What does "components" mean in this context?





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Feedback

You made it to the end! Here is your feedback for "Arduino Uno: The tiny mind that controls the robot"

Think about what strategies worked (and didn't work) for you this time. How can you do well next time?

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Question #5

Where is the bluetooth module connected?






Please enter the first three words of a sentence that shows your answers is correct.

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Question #4

The author wrote "The Tx seen besides 1, is the transmitting signal, while the Rx seen besides 0, is the receiving signal.".

What does "transmitting" mean in this context?





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Question #6

Why are binary signals useful?

Please enter the first three words of a sentence that shows your answer is correct.

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Arduino Uno: The tiny mind that controls the robot

What is the main idea of this reading?

The author wrote "A binary signal is very useful when turning components on or off.".

What does "components" mean in this context?

The author wrote "The numbered pins ranging from 2–13 are able to emit binary signals emitting either 5 volts, or 0 volts.".

What does "ranging" mean in this context?

The author wrote "The Tx seen besides 1, is the transmitting signal, while the Rx seen besides 0, is the receiving signal.".

What does "transmitting" mean in this context?

Where is the bluetooth module connected?

Why are binary signals useful?

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Question #3

The author wrote "The numbered pins ranging from 2–13 are able to emit binary signals emitting either 5 volts, or 0 volts.".

What does "ranging" mean in this context?





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Controlling the future: Creating robots that do your biding

Welcome to a current presentation of robotics using computer science principles. The links below will connect you to how-to readings and step-by-step instructions that will allow you to build a robotic boat, design your own robot, and ace the AP Computer Science Principles exam.

This program uses two freely available software packages: MIT App Inventor and Arduino. You may want to purchase the Arduino components, but it’s not absolutely necessary. (If you need help affording these components, please contact the edMe Foundation.) These websites contain questions to help you learn and places to share your own unique flair in robotics. A big part of designing technologies is learning from mistakes; please do not get discourage but use the feedback provided to learn and grow.

Chapter 1. Understanding App Technology

Chapter 2. Laying out an App Interface

Chapter 3. Creating the back-end to your first App

Chapter 4. Using the Arduino Microcontroller
Step-by-Step guide

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