Please see my shop other listed raspberry PI and Arduino related products.
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<br />Our car chassis has the following advantages:
<br />1 mechanical structure is simple and very easy to install. 
<br />2 car comes with 20 wire tachometer yards, with photoelectric gun shop can be quickly formed a gun systems. You can speed, distance, composed of closed-loop systems. 
<br />3 car with four on the 5th battery compartment, convenient to the entire system power supply. At the same time equipped with a switch, easy start-stop system. Without additional very convenient, so that the whole system is highly integrated 
<br />4 car shop with L298N driver module, four tracking module, as well as 51 control unit seamless, simple and good-looking components of the system!
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<br />Shipping list:
<br />Car chassis X1
<br />Car Wheels X2
<br />DC Gear Motor 1 48: a deceleration DC motor (otherwise 120: 1 Optional)
<br />20 line gun code disk X2
<br />Fasteners (high intensity black acrylic) X4
<br />Caster X1
<br />Four battery box X1
<br />Quality Rocker Switch X1
<br />Assembly drawing X1
<br />Several screw nut
<br />V5 shield X1
<br />UNO R3 X1
<br />SG90 X1
<br />FPV X1
<br />L298N X1