Role: App Developer & Hardware Assistant
Duration: January – March 2023
Finalist at 19th National Electronic Design Creative Competition 2023
Introduction
According to statistics from the Ministry of Transport of the Republic of China, the number of bicycle accidents is increasing year by year. The main causes of accidents can be divided into poor physical condition while riding and bicycle failure of the user.
For patients with heart disease, high blood pressure, etc., if they ride a bicycle too hard, the risk of developing the disease will be significantly increased.
Purpose: Create a safer cycling experience It combines IoT technology and self-developed algorithms to monitor the user’s riding style and chain status to reduce accidents such as bicycle falling off the chain. Help users reduce physical exertion and monitor physical health data in real time Through algorithms, this system can recommend the most suitable riding position to users to avoid unnecessary physical exertion. Through IoT technology, this system can also monitor heart rate and blood oxygen values to help users pay attention to their own health status.
System Diagram
System Functions
1) HI-Speed
Uses a three axis sensor at the back of the bike to measure the static acceleration of gravity in the three directions of x, y, and z, as well as the dynamic acceleration of gravity caused by motion, shock, and vibration. The sensor measures the slope and speed of the bike to recommend the most appropriate gear position.
2) HI-Safety
Uses a hall sensor to calculate changes in the magnetic field to determine if the bike is pedaled backwards. Uses an rgb color sensor to determine if the bike chain has sufficient oil.
3) HI-Remind
A heart rate and blood oxygen sensor located on the handle of the bike detects and displays the user’s heart rate and blood oxygen levels to determine when they are abnormal.
4) HI-Review
The user can search for any records on any given day. The information stored includes time used, distance traveled, average speeds, and number of calories lost.
