6. Snowflake Buzzer for micro:bit(EF03419)¶

6.1. Introduction¶

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.

6.2. Products Link¶

ELECFREAKS micro:bit Snowflake Buzzer

6.3. Features¶

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

6.4. Parameters¶

|Items|Parameters| |:-:|:-:| |Name|Snowflake Buzzer| |SKU| EF03419| |Size|45.72mm Standard Hexagon| |Net Weight|8.3g|

6.5. Quick Start¶

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.

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Software¶

Step 1¶

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

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Step 2¶

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

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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.