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.

Result

---

• The watch can keep time precisely and play music.

Think

---

---

Relative Readings

---