Project Tollgate
A kiosk where students tap their ID, see what they owe and pay tuition, fees and bookstore items by QR, or print a cash slip the cashier scans.
Confidential work for a Philippine college. The name is a codename, and the screenshot has names, logos and people blurred.
- Year
- 2026
- Role
- Sole engineer, prototype
- Type
- Client work
- Built with
- TanStack Start, Convex, Clerk, PayMongo, Raspberry Pi, Playwright
A working prototype.
What I built
- Student sign-in by RFID card or student number, with server-side lockout.
- QR Ph payments through PayMongo, and cash slips the cashier scans to confirm.
- A thermal-printer service on a Raspberry Pi for receipts.
- A staff portal, print views, and a unit-tested ledger for installments and limits.
- End-to-end tests in Playwright.