Gelgit
Card-based school check-in; parents get a message the moment a student taps in.
What we built
Core product surfaces — each visual summarizes a flow we actually shipped.
Landing
gel-git.com — “When the student walks through the door, the parent is notified.” RFID card, name screen, parent SMS.
One door, four people
Admin, reception, teacher, and parent share the same door from four views. Quota is 80 TL per student per year.
Institution login
Institution panel — email login. Each school’s records stay separate.
Problem
School arrivals and departures reach parents late or not at all; door logs stay scattered.
Solution
Gelgit: the student taps an RFID card at the door, the name fills the screen, and the parent gets an SMS with the school’s name. Admin, reception, teacher, and parent share the same door from four views. gel-git.com
Architecture
- Frontend
- Institution panel — admin, reception, teacher, parent
- Backend
- Card-tap records + parent SMS
- Data
- Per-institution student, card, and group records
- API
- Device pairing code + tap events
- Deploy
- gel-git.com · ESP32 RFID reader
Technologies
Challenges
- Joining the reader to school Wi-Fi without storing the password on the panel
- Binding a card to a student once, then treating later taps as in/out
- Keeping each school’s records and the school name on parent messages separate
Solutions
- ESP32 opens a Gelgit-Kurulum network on first boot; the password stays on the reader
- Register card on the students screen; the button hides after the first bind
- Separate school records; SMS sender is GELGIT, body includes the school name
Result
Live product: gel-git.com — RFID check-in and parent alerts are live.
Links
Lab log
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