LED ‘power on’ indicator
Reverse polarity protection
Connecting to your micro:bit
Connect the Speaker to the micro:bit as shown below. When attaching the alligator clips to the micro:bit, make sure that the clips are perpendicular to the board so that they are not touching any of the neighbouring connectors on the micro:bit edge connector.
The quickest way to try out your speaker is to DOWNLOAD THIS HEX FILE and then copy it onto your micro:bit. Press Button A to hear a tune being played.
Visit the Blocks Editor in your browser and then from the input section add an on button A pressed block then from the music section add a start melody block and select the tune you want to play (in this case, entertainer).
Click Download and then copy the file onto your micro:bit.
You can also open the project in the Blocks Editor by clicking on the image below.
You can also make a simple musical instrument, using this tutorial: https://makecode.microbit.org/projects/hack-your-headphones/code
Paste the following code into the Python window and then Download the file and copy it onto your your micro:bit
from microbit import *
When you press button A you will hear the tune “The Entertainer” play through the speaker.