I used Microsoft's free Windows 11 battery health tool to diagnose my PC - and got helpful results

Windows 11 has a built-in report that provides insight into your laptop's battery status, including whether a replacement is actually needed.
IEEE

Integrated Crowd Counting System Utilizing IoT Sensors, OpenCV and YOLO Models for Accurate People Density Estimation in Real-Time Environments

Abstract: Real-time crowd monitoring plays a pivotal role in effectively managing public spaces and ensuring safety. This study investigates the fusion of IoT devices and the YOLO object detection ...