Smart RFID Prepaid Card & Flow Control System Training Course
The Smart RFID Prepaid Card & Flow Control System Course by Educad Academy is an industry-focused training program designed to help learners build a complete IoT-based prepaid card system from scratch. This course covers RFID card reading and writing, keypad-based interaction, flow sensor integration, and internet-connected card recharge, discharge, and blocking the exact system used in prepaid water dispensers, fuel stations, vending machines, and smart utility meters.
Learners will work with Arduino, ESP32, and Raspberry Pi to understand which platform fits which part of the system, and will build the project using an RFID reader/writer (RC522), a keypad for manual input, and a flow sensor to measure and deduct usage in real time. The training also covers connecting the system to the internet so that cards can be recharged, discharged, or blocked remotely through a server or app.
Through practical, hands-on projects, participants will build a fully working prepaid RFID-based dispensing system with real hardware, from circuit wiring to cloud communication. By the end of the course, learners will be able to design, build, and deploy their own smart card-based automation systems.
Course Objectives:
- Understand RFID technology and card read/write operations
- Interface RFID reader/writer modules with Arduino, ESP32, and Raspberry Pi
- Build a minimum-balance-based recharge system on RFID cards
- Interface a keypad for manual amount entry and system control
- Interface a flow sensor and calculate usage-based deduction
- Connect the system to the internet to charge, discharge, and block cards remotely
Course Content:
Module 1: Introduction to RFID & IoT Automation
- What is RFID and how it works
- Types of RFID cards and tags (Mifare, EM4100, etc.)
- Real-world use cases: water ATMs, fuel stations, vending, access control
- Overview of Arduino vs ESP32 vs Raspberry Pi for this project
Module 2: Choosing the Right Platform Arduino vs ESP32 vs Raspberry Pi
- Arduino capabilities and limitations
- ESP32 Wi-Fi/Bluetooth enabled microcontroller
- Raspberry Pi Linux based control and server hosting
- Choosing the right board for offline vs online card systems
Module 3: RFID Card Reader & Writer (RC522)
- RC522 module wiring with Arduino/ESP32/Raspberry Pi
- Reading card UID and stored data
- Writing and updating balance data on the card
- Card memory blocks and sector authentication
Module 4: Keypad Integration
- Wiring a 4×4/4×3 matrix keypad
- Reading keypad input in code
- Using keypad for PIN entry, amount entry, and menu navigation
- Combining keypad input with RFID card actions
Module 5: Flow Sensor Integration & Amount Calculation
- Types of flow sensors and working principle
- Wiring a flow sensor with the microcontroller
- Calculating flow rate and total dispensed quantity
- Deducting balance from the card based on flow/amount
Module 6: Minimum Balance & Recharge System
- Setting a minimum balance threshold
- Blocking dispensing when balance is below minimum
- Local recharge logic (keypad-based)
- Displaying balance and status (LCD/OLED display)
Module 7: Internet Connectivity (ESP32/Raspberry Pi)
- Connecting ESP32/Raspberry Pi to Wi-Fi
- Sending card data to a server/database
- Building a simple backend (API) for card records
- Syncing card balance between device and server
Module 8: Remote Recharge, Discharge & Card Blocking
- Recharging a card remotely through the internet
- Discharging/deducting balance remotely
- Blocking and unblocking a card from the server
- Handling online/offline transaction conflicts
Module 9: Database & Dashboard
- Storing card IDs, balances, and transaction logs
- Basic admin dashboard for monitoring cards
- Viewing usage history and recharge history
- Alerts for low balance or blocked cards
Module 10: Security & Reliability
- Preventing duplicate card cloning issues
- Securing card data and server communication
- Handling power loss and data consistency
- Testing and troubleshooting the complete system
Module 11: Final Project
- Build a complete RFID prepaid dispensing system
- Integrate RFID reader/writer, keypad, flow sensor, and display
- Connect the system to the internet for remote card management
- Full system testing and live demo
Learning Outcomes:
- Read and write data on RFID cards using RC522 module
- Interface RFID, keypad, flow sensor, and display on one system
- Build a minimum-balance-based prepaid card recharge system
- Calculate and deduct balance based on flow sensor readings
- Connect Arduino/ESP32/Raspberry Pi projects to the internet
- Charge, discharge, and block RFID cards remotely
- Build a basic database and dashboard for card management
- Apply this system to real use cases such as water ATMs, fuel dispensers, and vending machines
- Troubleshoot hardware and connectivity issues in IoT projects
- Work independently or in teams on embedded IoT projects
Course Prerequisites:
- Basic computer knowledge
- Basic understanding of electronics and circuits (helpful but not required)
- No prior programming experience required; basic C/Python knowledge is a plus
International Student Fee : 450 USD
Note:
This course fee covers training and instructional content only. Any hardware components (Arduino, ESP32, Raspberry Pi, RFID reader/writer, RFID cards, keypad, flow sensor, display, wiring) and any paid tools, APIs, or hosting/server subscriptions required during the course are not included and must be arranged separately by the learner.
Flexible Class Options
- Corporate Group Training | Fast-Track
- Weekend Classes For Professionals SAT | SUN
- Online Classes-Live Virtual Class (L.V.C) Online Training
