| Popis: |
A vibrating navigation bracelet is designed with the use of BLE 4.0, combining WeChat mini program with hardware. The bracelet uses an RF integrated chip CC2650 to control two vibration motors, receives location coordinates data from a GPS/BD module and stores coordinates of turning points on the route which are sent by mini program. The bracelet processes real-time coordinates data with Vector Cross Product algorithm, calculates the direction according to the stored route, then sends turning signal when it comes close to a turning point, through two vibration motors which touch both inner and outer sides of human wrist. At the end of the paper, the feasibility of the system is verified through a practical test. |
