Year 9

Making connections (Part 1)

Year 9

Making connections (Part 1)

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Lesson details

Key learning points

  1. In this lesson, we will experiment with examples of using the micro:bit's General-Purpose Input Output (GPIO) pins to connect it to external hardware components, such as LEDs and speakers.

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6 Questions

Q1.
What kind of loop was used to iterate through images in the list data structure?
Correct answer: for
honey nut
while
Q2.
Select the line of code that successfully turns off all the LEDs.
Correct answer: display.clear()
display.off()
display.show(00000)
leds.clear(all)
Q3.
In the following line of code, display.set_pixel(x,y,value), what is 'x' referring to?
Brightness of the LED
Correct answer: Column number of the LED
Row number of the LED
Q4.
In the following line of code, display.set_pixel(x,y,value), what is 'y' referring to?
Brightness of the LED
Column number of the LED
Correct answer: Row number of the LED
Q5.
In the following line of code, display.set_pixel(x,y,value), what is 'value' referring to?
Correct answer: Brightness of the LED
Column number of the LED
Row number of the LED
Q6.
If we nest our code in a while True: loop, will it:
Correct answer: Run forever
Run once
Run three times
Run until you say the word False

5 Questions

Q1.
What type of circuit do we need to light up an LED?
Correct answer: Closed
Open
Q2.
What does GPIO stand for?
General Physical Input Output
General Purpose Import Output
Correct answer: General Purpose Input Output
Good Pins Input Output
Q3.
How many GPIO pins are on the micro:bit?
Correct answer: 3
4
5
Q4.
Which connection on the micro:bit is missing in this sequence: 0 1 2 ? GND
3
Correct answer: 3V
5V
Q5.
Which leg of an LED is positive (anode)?
Correct answer: Long
Short