<p>➀ This article introduces an AI-based predictive maintenance system designed to detect engine faults in vehicles through sound analysis. The system uses Google Teachable Machine to train an AI model capable of distinguishing between normal and abnormal engine sounds.</p><p>➁ The AI model runs in a browser, continuously monitoring the engine's sound. Upon detecting an anomaly, it triggers an immediate alert and sends an HTTP request to the IndusBoard Coin, which acts as a web server to process the alert.</p><p>➂ The IndusBoard Coin also hosts a webpage that visually indicates the system's status. If a fault is detected, the webpage turns red and displays an alert message while activating a blinking LED as a warning indicator.</p>