case 04:Timer

Our Goal

Use our watch kit to create a wearable timer.

Material

1 x Watch kit

Hardware Connection

Assemble our watch kit directly just like the picture below.

Software

Microsoft Makecode

Programming

Step 1

When start our program, create a variable flag and set its value to 0. When button A is pressed, delay time for 5 second. When button B is pressed, set the value of variable flag to 1.

Step 2

Create a forever loop and place an if statement under it. When the variable flag equals to 1, then activate the function.
Set time delay and play the built-in music nyan for once. Then set the variable flag to 0.

Program

Link of the whole program: https://makecode.microbit.org/_35iVK1WVe8ms
You can also download the program from the page below.

<iframe style="position:absolute;top:0;left:0;width:100%;height:100%;" src="https://makecode.microbit.org/#pub:_35iVK1WVe8ms" frameborder="0" sandbox="allow-popups allow-forms allow-scripts allow-same-origin"></iframe>

Result

The watch can keep time precisely and play music.

Think

FAQ

Relative Readings