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The UM0090 module is based on an ultrasonic sensor that combines transmitter and receiver in a single unit. By measuring the time of flight of ultrasonic wave, it can detect any object within 3 meters and output distance signals via UART interface. This product features high sensitivity, fast response, and excellent anti-interference ability and stability. It is widely applied in object avoidance systems on robots, drones, and other smart devices. Features -Compact design for easy installation -Measuring range up to 3M -Excellent anti-interference ability -Can detect objects of various colors, shapes and materials Applications - Robots - Smart streetlight - Smart trash bin - Autonomous delivery vehicle