# Technical Note

- [시스템 구성](/osam/technical-note/undefined-5.md)
- [작동 시나리오](/osam/technical-note/undefined.md)
- [분야별 기능](/osam/technical-note/undefined-1.md)
- [WEB 기능](/osam/technical-note/undefined-1/web-1.md)
- [APP 기능](/osam/technical-note/undefined-1/app.md)
- [IoT 기능](/osam/technical-note/undefined-1/iot.md)
- [Time-based OTP 인증](/osam/technical-note/time-based-otp.md): Time-based One-time Password Algorithm