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Adv."],"published-print":{"date-parts":[[2026,10,23]]},"abstract":"<jats:p>Recent years have witnessed the surge of human\u2013machine interfaces (HMIs) for various applications. Olfaction is a fundamental chemical sense crucial to perception, memory, and emotion. Current limitations arise from the difficulty of accurately capturing, transmitting, and reproducing odor signals, and the lack of standardized, network-enabled platforms. This work presents an internet of things (IoT)\u2013enabled olfactory interface for remote odor sensing and stimulation. The system integrates an artificial intelligence-assisted odor sensing platform with a wearable piezoelectric olfactory actuation system. We demonstrate the design, characterization, and application of this framework, which integrates devices, circuit architecture, and software algorithms. Applications in medical contexts include psychophysical testing to study olfactory pathways and evaluate sensory loss. 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