On week 7, I have continued my research by did next chapter is methodology. In methodology, there has block diagram, component specification and flow chart.
METHODOLOGY
Block diagram
Block diagram for this project
What
can be seen in the block diagram is that it is divided into three parts is the
input, process and output. In the first part of the input, it there are two
types of ultrasonic and GPS (speedometer). For this project, HC-SR04 ultrasonic
type is used. It is used as a determinant of the distance between cars. In
addition, the GPS it will use a circuit that is preset using Arduino circuit.
It is used to determine the speed of the car. In the process, the PIC16F877A
microcontroller is used to process the incoming data from the GPS and
ultrasonic so that it can communicate with each other. In the last part is the
output there is a buzzer and LCD. Buzzer will serve as an emergency alert if
the car in a dangerous situation. While the LCD (20x4) serves as the display
for the speed of the car and also the distance between the cars.
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