Vending machines
Machine control, peripherals and telemetry: from the on-board controller to remote monitoring of the whole fleet.
- Firmware
- Hardware
- Cloud
- C / C++
- FreeRTOS
- RS-232/485
- MQTT
Fields of experience
Real projects, told without naming clients. For each field I list the system levels I covered and the main technologies.
Payment systems
Cash, NFC cards and e-wallets, integrating validators and readers into one consistent system.
- Firmware
- Hardware
- Cloud
- App
- C / C++
- NFC
- CAN
- REST
Coin changer machines
Handling of coins, banknotes, tickets and e-wallets, with reliable cash logic and diagnostics.
- Firmware
- Hardware
- Web
- C / C++
- RS-232/485
- Embedded Linux
- React
Car wash activators
Access and self-service payment management, designed to run unattended.
- Firmware
- Hardware
- Cloud
- STM32
- NFC
- MQTT
- Node.js
Energy and water dispensing pedestals
For marinas and campsites, with identification and payment by NFC card and remote control.
- Firmware
- Hardware
- Cloud
- App
- ESP32
- NFC
- Modbus
- PostgreSQL
Data acquisition and business software
A complete platform: server, web frontend and a Flutter cross-platform app for smartphones and desktop.
- Cloud
- Web
- App
- Node.js
- PostgreSQL
- InfluxDB
- Flutter
- React
…and many other projects in automation and connected systems.