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Note: Manual measurement with small error. Please carefully check the size before purchasing. The actual color may differ slightly from the image, as it depends on specific display settings and lighting brightness. We sincerely provide good products and quality. If you have any questions,...

Operational Principle: The ultrasonic obstacle avoidance system is based on the reflection of acoustic waves when encountering obstacles. The ultrasonic sensor measures the time difference between transmitted and received ultrasonic waves to calculate the distance between the obstacle and the sensor. By monitoring changes...