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RFID Smart Autonomous Car

This project is an autonomous smart car system based on an ESP32 and Arduino GIGA.
The ESP32 handles RFID/NFC card detection, WiFi UDP communication, LED effects, and command forwarding.
The Arduino GIGA controls the vehicle movement using Hall sensors, servos, and stepper motors.

Features

  • RFID/NFC card control using RC522
  • WiFi UDP communication between devices
  • NeoPixel LED animation and light control
  • Front and rear servo steering
  • Dual stepper motor drive system
  • Hall sensor based steering correction
  • Sensor enable/disable commands from RFID cards
  • Stop and resume vehicle logic
  • Straight driving mode when sensors are disabled

Hardware Used

  • ESP32
  • Arduino GIGA
  • RC522 RFID/NFC reader
  • NeoPixel LED strip
  • 2 Hall sensors
  • 2 Servo motors
  • 2 Stepper motors with drivers
  • WiFi network for UDP communication

System Overview

The ESP32 reads RFID cards and sends commands either through UDP or UART.

RFID cards can:

  • Open or close doors
  • Turn lights on
  • Stop or resume the car
  • Enable or disable left/right Hall sensors
  • Force the car to drive straight

The Arduino GIGA receives sensor commands from the ESP32 over UART and controls:

  • Steering servos
  • Stepper motor speed
  • Hall sensor correction logic

Main Commands

Commands sent from ESP32 to Arduino GIGA:

sensor left on
sensor right on
sensor both on
sensor both off