Early Calf Disease Detection Service
An app and server that detect disease early from sensor-based behavior data, alert farmers and visualize the data
A service that analyzes signals from sensors attached to calves with AI to produce behavior data, uses it to detect disease early, and alerts the farmer.

What I did
- Designed and built the Flutter cross-platform app (Android, iOS)
- API server development and DB schema design (Node.js, TypeScript, Express, AWS Amplify, MySQL)
- Collected app usage logs with AWS CloudWatch
- Designed an MVVM architecture built on Provider
- Implemented scrollable line, bar and range chart components with Canvas and Painter
- Built a data table widget that scrolls while its axes stay fixed