smart waste bin 3d model

A realistic 3D-rendered prototype of a smart waste bin, maintaining the exact same rectangular bin shape with rounded edges and a flat lid. The bin is white, minimalistic, and modern, with no design changes to its original shape or dimensions. The ultrasonic sensor is mounted underneath the lid on the inner top surface of the bin, facing downward into the bin interior to measure waste level. The ESP32 microcontroller is mounted externally at the back of the bin, enclosed in a small protective casing, clearly visible from a rear three-quarter perspective. Thin multicolored jumper wires run discreetly from the ultrasonic sensor under the lid to the ESP32 at the back of the bin. The lid is slightly open to reveal the ultrasonic sensor placement under the lid. The scene is rendered in a clean studio environment with a white background, soft realistic lighting, and high detail. The image is a professional engineering-style 3D prototype render suitable for an academic report, product d