「Internet of Shishiodoshi」
If you push Amazon Dash Button, Rasberry Pi will understand the signal and make Shishi-odoshi sound (In this hackathon, people were required to create a product which cannot make money.) (This work was a team project and I was in charge of creating Shishi-odoshi and motor controlling.)
Backathon2017 The 3rd place

Contest: Backathon2017 - Type: IoT