Project Overview
Create a smart car gate system using RFID cards and ESP32. Authorized users can enter only.
Features
- RFID card scanning
- Unique user identification
- Ideal academic project
Components Required
- ESP32 Development Board
- RFID RC522 Module
- RFID Cards/Tags
- OLED Display (Optional)
- Jumper Wires
Circuit Diagram
Working Principle
When a registered RFID card is scanned, ESP32 send signal to servo to rotate 90 degree after car passing away from the gate the gate will close
Circuit Connections
RFID RC522 to ESP32
| RC522 | ESP32 |
|---|---|
| SDA | GPIO5 |
| SCK | GPIO18 |
| MOSI | GPIO23 |
| MISO | GPIO19 |
| RST | GPIO22 |
| 3.3V | 3.3V |
| GND | GND |
IR Sensors
| Sensor | GPIO |
|---|---|
| Slot 1 | GPIO32 |
| Slot 2 | GPIO33 |
| Slot 3 | GPIO25 |
| Slot 4 | GPIO26 |
Servo Gate
| Servo | ESP32 |
|---|---|
| Signal | GPIO27 |
| VCC | 5V |
| GND | GND |
Source Code
Download complete Arduino IDE code.
Buy Components
Complete DIY Kit
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