AirID: Smart RFID-Based Tire Inflation System

Welcome to my Techathon Science Tech Fair 2025 innovation! Presenting AirID — a smart, secure, and automated tire inflation system using RFID, Arduino Uno, and a pressure sensor, combined with a 3D-printed nozzle and solenoid-controlled valve.

🔒 Only authorized vehicles can inflate their tires using an RFID tag, and the system auto-stops at the correct PSI — no overinflation, no manual guesswork!

🔧 Key Features:
RFID-based tire inflation authorization

Real-time pressure monitoring with automatic shutoff

3D-printed smart nozzle with solenoid valve

LCD, buzzer, and LEDs for user feedback

Expandable with IoT, fingerprint, and mobile alerts

🧠 Why this project matters:
Tire inflation stations are often unsupervised and prone to overuse or underuse. AirID solves this with:

Fleet maintenance automation

Smart garage tools

Campus or restricted vehicle management

Future IoT integration potential

📦 Project Tools Used:
Arduino Uno

RC522 RFID Reader + Tags

MPX5700 Pressure Sensor

Solenoid Valve + Relay

16x2 I2C LCD Display

3D-printed housing

Air compressor & power supply

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📩 Drop your queries, feedback, or collab interest in the comments below!

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