Working prototypePhysical kiosk under development; not yet deployed.

SmartPayPlug

UPI-enabled public charging station concept with relay-controlled charging output

Overview

SmartPayPlug is a public charging station concept for digitally managed, payment-controlled charging.

Problem Statement

Improving public charging accessibility with digitally managed, payment-controlled charging.

Proposed Solution

UPI payment through Razorpay connects via Firebase to an ESP32, which controls the charging output through a relay.

System Architecture

SmartPayPlug system architecture. System flow: UPI payment (Razorpay) → Firebase → ESP32 → Relay → Charging output.UPI payment (Razorpay)FirebaseESP32RelayCharging output

Technologies Used

  • ESP32
  • Embedded C (Arduino framework)
  • FreeRTOS tasks
  • Firebase Auth and Firestore
  • Razorpay (UPI)
  • React
  • Vite

My Contribution

Team: Kishor A.K, Ajay K., and Asvanth R., credited equally.

Development Status

Working prototype

Future Scope

  • Physical kiosk development and expansion.