RFID Based Automated Milk Quality Analysis and Vending System
DOI:
https://doi.org/10.15662/IJEETR.2026.0802213Keywords:
RFID Technology, Milk Quality Monitoring, Adulteration Detection, pH Sensor, Total Dissolved Solids (TDS), Automated Milk Vending System, Real-time Quality Analysis.Abstract
Milk is an important nutritional food that is consumed by people of all age groups. However, maintaining the quality of milk during collection and distribution is a major challenge because adulteration and contamination may occur. Traditional milk testing methods usually depend on manual inspection and laboratory analysis, which are time-consuming and not suitable for real-time milk vending systems. Therefore, an automated system is required to ensure safe and efficient milk distribution.
This project proposes an automated milk quality analysis and vending system using sensor technology and RFID-based authentication. The system uses pH, Total Dissolved Solids (TDS), and temperature sensors to monitor important milk quality parameters. The sensor readings are processed using a microcontroller, which compares the measured values with predefined standard limits to determine whether the milk is suitable for consumption.
An RFID card is used for secure user authentication and easy access to the system. After verifying the user and confirming the milk quality, the system automatically dispenses the selected quantity of milk using a pump controlled by a relay. A keypad allows users to choose the required quantity, while an LCD display provides information about system status and operation.
The proposed system helps reduce manual intervention, improves transparency in milk distribution, and ensures that consumers receive safe and high-quality milk
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