PUSIT: RFID Canteen Payment System Powered by W5500 Ethernet and ESP32 Wi-Fi
A complete IoT-based cashless canteen system using Arduino Nano + W5500 for secure card provisioning and ESP32 Wi-Fi for wireless payment processing.
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Components
Hardware components
WIZnet - W5500
x 1
Arduino - Arduino Nano R3
x 1
Espressif - ESP32-WROOM-32E
x 1
Project description
A Cashless Canteen, Built from Scratch with IoT PUSIT (which translates loosely to "match" or "fit" in Filipino) is an integrated electronic payment and canteen sales management system designed for small-scale school canteen environments. The project addresses a common challenge in educational institutions: streamlining food ordering and payment processes through RFID-based cashless transactions. What makes PUSIT architecturally interesting is its hybrid network design — the system deliberately uses two different connectivity approaches for two distinct roles. The Card Generator station uses…
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