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Micro: bit Fundamental Course–Button&Display

By August 15, 2017 No Comments

In our last blog  Start Your Micro:bit Programming Trip we have talked about the basic operation method of Microsoft Makecode. In the following articles, we will teach you some fundamental functions of blocks one by one .

Our purpose:

To know basic usage of Makecode through studying buttons and blocks.

Materials we need:

Micro:bit×1

USB Cable×1

On Micro:bit, there are 5*5 LED metric dot display and 2 buttons. And today we are going to learn how to use button and LED display together.

Our requirement:

Press down a button to display its relative direction. Press 2 buttons together for clearing the display.

Procedure:

Step 1:

Drag out block “on button pressed” from Input column and set the button to be “A”.

1

Under block “on button A pressed”, we insert block “show arrow”, which can make micro:bit to display directions with arrow. And here we set direction to be “west”.

2

Step 2:

Choose block “on button pressed”, cope and paste it. Then set button to be “B” and direction to be “East”.

3

Step 3:

Drag out block “on button pressed” from Input column again and set the button to be “A+B”.

4

Insert “clear screen” into this block.

5

Step 4:

In the left analog window, we can check analog operation. Click Virtual button on Micro:bot to check our program.

6

Step 5:

After confirmation, download program into Micro:bit.

 

Question:

If we want to use character string to display “west” and “east”, then how to revise our program?

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