# 2. Product installation

a. Firstly prepare all the assembly components. Place them together before install the micro:bit robot car.

![](media/wps15.png)

b. The first step should mount 2pcs hex copper pillar and 2pcs M3 Nickel plated nut on the front of car shield.

![](media/wps16.png)

c. Connect the JST PH2.0MM-5PIN double-head cable to line tracking sensor. 

![](media/wps17.png)

d. Then fix the line tracking sensor and W420 steel universal wheel onto the hex copper pillar on the car shield using 2pcs M3*6MM round-head screws.  

![](media/wps18.png)

![](media/wps19.png)

![](media/wps1.png)

e. After that, mount the 2pcs N20 motor wheels into the DC motor.

![](media/wps20.png)

![](media/wps21.png)

f. Now, we insert the ultrasonic sensor and micro:bit main board into the car shield.

![](media/wps22.png)

![](media/wps23.png)

g. Connect the JST PH2.0MM-5PIN cable connected to line tracking sensor to the car shield.

![](media/wps24.png)

h. Finally, insert the 18650 battery into the car shield.

![](media/wps25.png)

i. Congrats! The mini micro:bit robot car is installed well. Pretty simple.