The snowflake buzzer is a symbol of christmas day's snow. The snowflake buzzer is just like snow, comes in this christmas night and play the christmas music.

This picture is just for a design sketch , the product includes only snowflake. The christmas tree, the micro:bit and Alligator cables (Black ,Red ,Yellow) will need to be purchased separately

• With crocodile clip lines, no need for a expansion board
• In snow shape, adapt to the christmas scene
• Play the christmas music with coding

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.

Parameters