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Preparation

• 1 x Snowflake Buzzer

• 1 x micro:bit（Please prepare by yourself）

• 3 x crocodile clip lines（Please prepare by yourself）

Hardware Connect

• Connect the black crocodile clip line to the GND port of the micro:bit, the other side of the black crocodile clip line to the G port of the snowflake buzzer.

• Connect the red crocodile clip line to the 3V port of the micro:bit, the other side of the red crocodile clip line to the V port of the snowflake buzzer.

• Connect the yellow crocodile clip line to the 0 port of the micro:bit, the other side of the yellow crocodile clip line to the S port of the snowflake buzzer.

Software

Step 1

• Set "on button A pressed" and write a little bit of music(as below picture).

Step 2

• Set "on button B pressed" and write a little bit of music(as below picture).

Program

Program link：https://makecode.microbit.org/_W27acib6j8D3

You also could directly download program by visiting website as below:

Result

• When the button A pressed, a piece of "Jingle Bells" plays.

• When the button B pressed, a piece of "Jingle Bells" plays.

Packing List

• 1 x snowflake buzzer