2WD Avoidance Tracking Smart Robot Chassis Car Kit With Speed Encoder Ultrasonic For UNO R3

Feature:

With simple mechanical structure is very easy to install.
Comes with 20 wire tachometer yards, you can speed, distance, composed of closed-loop systems.

Here is the??for your reference (only Chinese)

Package includes:

1 x Car chassis
2 x Car Wheels
2 x DC Gear Motor
2 x 20 line code disk
4 x Fasteners (high intensity black acrylic)
1 x Caster
1 x Four battery box
1 x Quality Rocker Switch
1 x V5 shield
1 x UNO R3
1 x SG90
1 x FPV
1 x L298N
Several screw nut


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