This is the final picture of our line following buggy. The chassis is made up of steel to provide a good support to the electronics placed on the top of it.The chassis is made firm with all the joints firmly held with nuts and bolts.
The main board and all the electronics are placed on the top of the chassis. the electronics consist of a pair of simple motors to make the wheel move, batteries,micro controller, motor driver,variable resistor and LDR which are used as sensors.
The motors are not directly connected to the micro controller because microcontroller cant power the motors, instead a motor driver is used which provides the necessary required power.
The electronics are placed on the chassis in such a way that the weight is equally distributed and the stability of the buggy is maintained. The motors are placed beneath the chassis so that due to its weight it pulls the entire body downward and increses the stability.
The two LDRs are placed at the front near the skid. The LDR here are used as sensors therefore they are not covered and are placed at the front. A skid is provided in the front. Since the ultimate aim for our buggy was to follow a line, we thought that the friction that will come into play could be ignored. Moreover we didnt get a free rotating wheel to place it on the front. But never the less, the skid in the front region provides stability to the buggy
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