A couple of days ago, I received a robot car that I ordered off of amazon. This was the first smart robot car that I have ever gotten, and I started assembling it right away, it was a little hard at first. But it took about 2 hours to finish building the car. My brother had bought from Elegoo before. I'm surprised I didn't lose any screws or nuts, if you are younger than ten then it will be a challenge, you might need help from someone who knows how to use an Arduino. There are three modes that the car can go into the 1st one is obstacle avoidance mode; in obstacle avoidance mode, the car will move around only stopping when it senses something ahead of it. The second mode is Line Tracking, in Line tracking mode, the car will follow any black line it sees. The third mode is remote control from the app (the app is called Elegoo Ble Tool). In the app you can move the car as a remote would on a remote control car, you can also program it like you would program a game in Scratch. But, unfortunately, it does not work, I'm not sure if I connected something wrong or that I'm using it the wrong way, but It won't move when I program the car to move forward or backward.
