IoT Based Onion Storage System
DOI:
https://doi.org/10.15662/IJEETR.2026.0802189Keywords:
IoT, Smart Storage System, Onion Storage, Temperature Monitoring, Humidity Control, Weight Monitoring, ESP32, DHT22 Sensor, Load Cell, Automated Climate Control, Post-Harvest Loss Reduction, Solar-Powered System.Abstract
Post-harvest loss of onions is a significant challenge, with 40–50% spoilage occurring in India due to improper storage conditions. Inadequate temperature and humidity control, combined with insufficient monitoring of weight loss, results in rot, sprouting, and microbial damage. This study presents a cost-effective IoT-based smart onion storage system that integrates temperature, humidity, and weight sensors with automated fan and alternative light/heat units. The system monitors environmental conditions in real-time, sends mobile alerts to farmers when thresholds are breached, and predicts weight-loss trends to prevent spoilage. Solar power ensures sustainability for rural and off-grid deployment. The proposed system demonstrates improved shelf life, reduced post-harvest losses, and provides actionable guidance to farmers, offering a practical and scalable solution for medium and small-scale onion storage operations
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