The increasing volume of waste has become a serious problem, as conventional waste management systems are still inefficient. This study aims to design a smart waste bin based on ESP32 with multi-sensor integration to improve efficiency.The system uses ultrasonic, infrared, MQ-2, and DHT11 sensors, with a servo as the actuator and a buzzer as an indicator. The results show that the system works well, is responsive, and improves waste condition monitoring.This system provides a practical solution to support environmental cleanliness.
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