I thought I'd share the results of my recent project where I made Despicable Me Minion Halloween costumes for my kids. This project was inspired by the trinket powered goggles tutorial in the Adafruit Learning System. In addition to the goggles, I wanted the kids to have Minion sounds that they could trigger so I used an Adafruit wave shield with an MP3 speaker and a tactile switch. The wave shield/arduino uno/battery pack combo and the MP3 speaker fit in the hooded sweatshirt pocket and I ran some speaker wire up to and down the inside of an arm sleeve for the tactile switch which was safety-pinned to the cuff. The costumes have already generated a lot of praise as well as questions from friends and family. :D
Thank you Adafruit for the great products and tutorials!
Here's a photo of the finished goggles:
A photo of the complete costumes:
And a video of the kids triggering some sound bytes: