Sound Necklace





This is a project I did to bring fun and playfulness into an everyday object; a necklace that makes sounds.

You can create music by simply pushing the beads on your necklace. Each of them will give you a different sound. The necklace is like your personal musical instrument that you can carry around as an accessory.





The pendants are replaceable and interchangeable. You can play a different sound with one pendant by changing its position on the necklace. Also, you may choose to use as many pendants as you want (up to 6 for now) on your necklace.





I used arduino uno and waveshield to make the sounds. I put in my unique sounds for each button but they can be replaced with any .wav file in the sd card. I used a regular computer speaker because the piezo speaker was not loud enough, but it can be preferred for a more compact look. The power is supplied by a 9V battery attached.





The pendants consist of different numbers of push buttons connected to each other. Each pendant has a power and ground header to be plugged into the female headers on the necklace.





I decided to use one analog pin to get the signals from the buttons. I put 2K resistors in between the female headers on the necklace, and in between each button on a pendant. This allowed me to differentiate the signals coming from different buttons by their potential differences, using a single analog pin.


This experimentation turned out to be a fun alternative to a regular accessory. I hope you enjoyed it!


Special thanks to Xing Zhang and Marta Molina Gomez.


Music Box
Sensory Sound Objects
Sound Necklace
Face on the Wall
Change Me
Dream Objects
Creativity
Animation Sequence