[Marios Christoforou] recently undertook a Computer Engineering degree at the University of Cypress. His final year project involved implementing a solar-powered device to count vehicular traffic, while logging results to …. Solar Powered Traffic Monitoring.
The project is built around a Raspberry Pi 5, specifically the version with 4 GB of RAM. It runs Raspberry Pi OS and is equipped with a basic webcam with 720p video output. The single-board computer runs off a 12 volt lead acid battery, which is charged via a 100 W solar panel hooked up to a basic charger module.
Identifying vehicles in traffic is achieved with the YOLOv8 Nano machine vision model, which outputs bounding boxes around cars, trucks, buses, and motorcycles captured in the webcam feed. Software algorithms are used to ensure vehicles are only counted once as they pass through the camera’s field of view. There’s plenty of detail on how the project was refined to meet initial goals.
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