Raspberry Pi and Arduino - Go to The Next Level - Step 3 (Arduino) - Write to Serial when Button Is Pressed

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Information Technology (IT), Architecture, Physics, Science
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of initializing hardware components in the intercom system?
To update the system firmware
To establish a network connection
To prepare the system for code execution
To ensure the system is powered on
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a debounce mechanism necessary for reading button presses?
To increase the button's lifespan
To prevent multiple readings from a single press
To enhance the button's sensitivity
To reduce power consumption
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which variable is used to store the last time the button state changed?
lastTimeButtonChanged
debounceDelay
previousButtonState
buttonState
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What action is taken when the button state is detected as 'high'?
The button is released
A message is sent to the serial monitor
The system shuts down
The button is ignored
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of clearing the input buffer in serial communication?
To prevent data loss
To ensure no old data interferes with new data
To speed up data transmission
To save memory space
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might clearing the input buffer not be necessary in this project?
The buffer size is too small to cause issues
The Arduino is always ready before the Python program
The buffer is automatically cleared by the system
The project does not involve data transmission
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What indicates that the setup is working correctly when testing the button press?
A 'button pressed' message appears on the serial monitor
A light turns on
The system beeps
The system reboots
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