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Beginner10h1
Next.jsFSRSDictionary API
17/20Anonymous Classroom Doubt Board
Lets students ask doubts anonymously during class.
Beginner12h1–2 people17/20 fit
Build Anonymous Classroom Doubt Board for teachers and shy students in ~12h with 1–2 people. Stack: Next.js + Realtime DB + Embeddings.
Why it wins: Everyone in the room can join the demo.
Build flow
01 · Problem
Shy students don’t ask questions, so doubts pile up.
02 · Solution
Students post doubts anonymously; similar ones are grouped and upvoted for the teacher.
03 · Build
- 1Room + join code
- 2Realtime posts
- 3Embedding grouping
- 4Teacher dashboard
04 · Demo
Three phones post similar doubts → grouped into one card with 3 votes.
MVP checklist
- Join by code
- Anonymous posting
- Similar-doubt grouping
- Teacher view
Tech stack
| Tech | Role | |
|---|---|---|
| Next.js | Frontend + API routes | Web |
| Realtime DB | Live sync | Backend |
| Embeddings | Semantic similarity | AI |
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