30-Day Challenge: Quiz 2 of 6 Copy
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Question 1 of 7
1. Question
If setup() is a function in the Arduino IDE, what is loop()?
CorrectIncorrectHint
It’s sort of a trick question, so congrats to those who get this on the first try!
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Question 2 of 7
2. Question
Do you have any feedback for us to improve this lesson?
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This response will be awarded full points automatically, but it will be reviewed and possibly adjusted after submission.
Grading can be reviewed and adjusted.Grading can be reviewed and adjusted. -
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Question 3 of 7
3. Question
Assume you want to plug an LED into pin 12 on the HERO Board (See image below) and turn it on. What code choice below would allow you to do that?:
CorrectIncorrectHint
Hint:
Regarding the pinMode() function:
An INPUT can be thought of as something that either a human or the outside world would touch and is data sent into the board. Think Keyboard/Mouse, buttons/sensors. However, an OUTPUT is information sent out by the board. (Think computer/phone screens, music speakers, etc). For example, when you push buttons on a keyboard, the computer will OUTPUT information onto the screen in front of you.Regarding the digitalWrite() function:
HIGH (In the Arduino IDE) is the same as sending 5V over that pin, supplying it with power. LOW, on the other hand, sends a GROUND (aka GND for short) signal over the pin, removing that power. -
Question 4 of 7
4. Question
Assume you have the following function above setup() in your code:
void doSomething() {
// put code here!
}
What would be an appropriate return statement at the end of the function doSomething()?
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Question 5 of 7
5. Question
Assume you have the following function above setup() in your code:
double doSomething() {
// put code here!
}
What would be an appropriate return statement at the end of the function doSomething()?
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Question 6 of 7
6. Question
For loops (see example below) great for the following:
for(int i = 0; i < 100; i++) {
Serial.println(i); //prints value of i to the serial monitor
}
CorrectIncorrectHint
Look at the for loop example provided. It knows it needs to go through exactly 100 times (where ‘i’ will start at value 0, and after each iteration through the loop add exactly 1 to ‘i’ until it hits the specific limit defined of 100)
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Question 7 of 7
7. Question
While loops (see example below) are great for the following:
while(digitalRead(Button) == 0) {
// wait for some unknown amount of time until the button gets pressed (which would set the value to 1 instead of 0).
}
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