Tired of too much noise in the classroom?
You can now build your own "Sound level meter" monitoring the noise level.
This is a pretty cool and also useful project which is part of the Wonder:Kit Explorer and powered by micro:bit.
In this version, we have made the monitor plate on a laser-cutter:
How to make and program the "Sound level monitor":
PDF - A4 printable
Files for laser cutting
Learn more about the Wonder:Kit system here: