- Sector
- Restaurants
- Status
- Working prototype on real hardware
The box that prints kitchen tickets on its own, without losing an order
A plug-and-play device that receives orders and bookings from the restaurant’s portal and prints them instantly on any thermal printer, with a remotely managed fleet.
The challenge
Online orders must reach the kitchen instantly, on printers of different brands, in venues where nobody has time to configure anything.
What we built
- ESP32-P4 based hardware with firmware written from scratch
- Fleet service: order delivery, telemetry, remote commands and over-the-air updates
- Factory provisioning: the box ships pre-configured, just plug in network and printer
- Every ticket prints exactly once; reprint and self-test from a single button
- Automatic Ethernet/WiFi failover, USB and network printers, voice alerts
- Updates with automatic rollback if something goes wrong
Security
Separate MQTT credentials and permissions for every box, so no device can read another’s orders. Firmware signed with RSA-3072: the box only installs genuine updates.
Numbers from the project
- ~7 msWiFi latency, down from about 100 ms
- 12printer profiles supported
- 52automated tests on firmware and service
Project anatomy
- Device
- Messaging
- Fleet service
- Data
- Infrastructure
Skills involved
More case studies
- Property management The property management platform where AI does the work and the firm checks it Being trialled with a pilot firm
- Local marketing and manufacturing From sales network to doorstep: the pipeline for 3D-printed NFC displays In production since October 2026
- Local retail A loyalty app rebuilt for iOS and Android without losing a single customer Feature-complete, in device testing
Tell us what you want to build.
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