As I was looking for cool project that I could make, I found out that I could make a radar. Without any hesitation, I chose the radar as my project because it just looks COOL!
I used this website as my guide:
http://howtomechatronics.com/projects/arduino-rada...

Materials:

1 Distance sensor
1 Servo motor
1 Breadboar
1 auduino Uno
Wires

Step 1: Step 1

Check out the Video above first! that is my final product. Although it doesn't look that great physically, it does a perfect job as a radar. Red lights indicate that there is an object and the distance sensor can determine how far the object is as you guys can see what I did with my hand. and of course, green lights mean that the area is empty.

Now let's get started.

Wiring is one of the most important process. Everything has to be done perfectly in order for the radar to work. I connected the ground at the edge of the breadboard with the wire. This makes it's whole row to have the property of ground. The wire which is connected with pin number 12 was used to operate servo motors. Pin number 11 and 10 was used to operate the distance sensor. Please look at fritzing for the details. For servo motor, the color of the wire is very important! (BLACK, RED, YELLOW)

KakaoTalk_Video_20180116_2321_17_437.mp4
Download

Step 2: Step 2

Once I was done with wiring, I had to connect the distance sensor to the servo motor. In order to connect I made a stand, as seen above, out of a tissue box so that it stabilizes distance sensor on servomotor. I'm pretty sure you guys can make better stand than mine. And now, I had to make the servo motor stabilized to the arduino board so that it doesn't move. Honestly, this is up to you how you are going to stabilize it, but I used tape to stabilize it. (shown on the video)