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Design of River Depth Plotting and River Cleaning Robots
Summary
Researchers built a solar-powered robot that measures river depth and scoops up floating trash like plastic bottles and debris, while sending real-time data via GPS and internet connections. Since polluted rivers are a major source of the drinking water we rely on, tools like this could help keep waste—including plastics that break down into microplastics—out of our water supply before it reaches our taps and bodies. This is an engineering prototype, though, so more testing is needed before it's cleaning rivers at scale.
Rivers play an important role in maintaining ecological balance, supporting agriculture, and supplying water. Increasing pollution and waste accumulation have created major environmental challenges, making traditional river monitoring and cleaning methods inefficient and time-consuming. This project presents a River Depth Plotting and River Cleaning Robot designed for real-time river depth measurement and waste collection. The system uses ultrasonic sensors for depth sensing, GPS for location tracking, and IoT communication for real-time data transmission. An automated cleaning mechanism collects floating waste such as plastic bottles, leaves, and debris. The robot is controlled using an ESP32/Arduino microcontroller and operates on rechargeable batteries with optional solar support. The proposed system reduces manual effort, improves river maintenance efficiency, and supports smart environmental monitoring. The robot continuously monitors river conditions and helps in maintaining cleaner water bodies.