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4WD Smart Car Kit Smart Robot Car Chassis Kits Car With Speed Encoder and Battery Box Diy Electronic Kit for r3
1 × CH340G develop board
1 × expansion board
1 × L298N driver board
1 × HC-SR04 ultrasonic module
1 × Four-way tracking module
2 × infrared detection module
4 × DC motor
1 × Ultrasonic bracket
1 × Servo
1 × Servo bracket
4 × rubber wheels
4 × Speed Code Disk
8 × T-shaped geared motor fixing bracket
1 × 18650 battery box
10 × M3*30 double pass copper post
6 × M3*15 double pass copper pillar
16 × M3 nut
36 × M3*8 flat head screw
8 × M3*30 round head screw
5 × M2*12 round head screw
5 × M2 nut
6 × M1.6*8 round head screw
6 × M1.6 nut
3 × M2*8 self-tapping screws
38 × 20cm female to female Dupont wire
12 × 20cm male to male Dupont wire
2 × Acrylic 4-wheel car bottom plate