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EL-KIT-012 Project Smart Robot Car Kit V 3.0 with Arduino un R3, Line Tracking, Ultrasonic Sensor, Bluetooth for arduino program _ - AliExpress Mobile
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Amazon.com: ELEGOO UNO R3 Project Smart Robot Car Kit V4.0 Upgraded 37 in 1 Sensor Modules Kit 120pcs Multicolored Dupont Wire … : Toys & Games
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