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Efficient Wall Following Robot with Ultrasonic Sensor that Works in both Indoor and Outdoor Environments
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Lafvin Smart Robot Car Kit For Uno R3 For Arduino With Ultrasonic Sensor, Bluetooth Module, Ir Control, Line Tracking, Tutorial - Demo Board - AliExpress
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Amazon.com: LAFVIN Smart Robot Car Kit Include Ultrasonic Sensor,R3 Board Compatible with Arduino IDE with Tutorial : Electronics
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