An 'AI nose' has been built using an Arduino UNO Q and multiple gas sensors (MQ-135, MQ-3, MQ-2) to detect food spoilage, addressing the lack of olfactory capabilities in Large Language Models. This localized system operates without an internet connection, providing real-time analysis of ammonia, ethanol, and volatile organic compounds to identify spoiled food. Designed for small food businesses and night-market stalls, it offers a portable, power-bank-operated solution for ensuring food safety and reducing waste.
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