Joshua Chung| Quantity | Component name | |
| 1 | × | Adafruit Bluefruit EZ-Key https://www.adafruit.com/products/1535 |
| 1 | × | Push Button Switch |
| 1 | × | Battery Lipo, 9V, or AAA batteries |
BOSI - the Bluetooth Open-source Switch Interface
An open-source switch interface for people with disabilities to wirelessly access computer and mobile devices