Adding Sound

Back To The Future Mr Fusion – Adding sounds!

This page is about adding sounds to Mr Fusion – the ‘home energy reactor’ which powers the Delorean in BTTF 2. Click here for the main project index.

There’s a YouTube video about this to follow

I decided that it would be nice if something happened when the lid of Mr Fusion is opened, like playing ‘The Power Of Love’ by Huey Lewis and the News which was used in the Back To The Future movies. I’m using an Adafruit Sound board for this project along with an active speaker and a USB boost adapter to power the board.

The Adafruit sound board will play a sound when one of the 11 trigger pins is grounded, which makes it very simple to trigger the sound when the lid is opened. I’ve used some 3D printed brackets to hold the speaker and switch:

Check out the video above for a demo!