The AIOT-TD-301 Toilet Paper Dispenser Sensor offers cutting-edge features for enhanced restroom management. It continuously monitors the thickness of toilet paper using advanced laser distance detection, ensuring accurate assessment of supply levels. When paper levels fall below the set threshold, the sensor triggers a shortage alarm, notifying cleaning staff to replenish supplies promptly. Leveraging cloud computing, it processes data efficiently, providing real-time updates and insights. With robust connectivity, the sensor seamlessly transmits detection data to the upper-level IoT gateway via Lora wireless transmission, ensuring reliable communication. This sensor significantly improves the user experience by guaranteeing that toilet paper is always available.