What question did this study set out to answer?

To design and implement a food spoilage detection system using Arduino Uno and gas sensors.

May 10, 20260 citationsOpen Access

Food Spoilage Detection Using Arduino Uno

NNitin IRIshan RanaAlliance University DGDr. Neha Gupta

Key Points

To design and implement a food spoilage detection system using Arduino Uno and gas sensors.
Utilized Arduino Uno microcontroller for system control.
Employed MQ-135 gas sensor to detect gases like ammonia, carbon dioxide, and VOCs.
Set a predefined gas concentration threshold for user alerts via an LED indicator.
When gas levels exceed the threshold, the system accurately alerts the user through an LED.
The system is confirmed to be cost-effective and portable for diverse applications.
Proven effectiveness in monitoring food quality to prevent spoilage.

Abstract

Food spoilage is a big concern affecting health, safety, and economy worldwide. This paper presents the design and implementation of a food spoilage detection system using an Arduino Uno microcontroller and MQ-135 gas sensor. The system detects gases such as ammonia, carbon dioxide, and volatile organic compounds (VOCs) released during food decomposition. Gas sensors provide a non-destructive and efficient way to monitor food quality by detecting chemical changes in the surrounding environment 1. The MQ-135 sensor is mainly used due to its sensitivity to harmful gases associated with spoilage 2. When the gas concentration exceeds a predefined threshold, the system alerts the user through an LED indicator in Arduino Board. The proposed system is cost-effective, portable, and easy to implement. It can be used in households, food storage facilities, and small-scale industries to ensure food safety and reduce wastage.

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