Wall Follower robot PID

Using Arduino Programming Questions
1

Hello. I have to build a Wall Follower robot. I found this video: Project DIY Digital Wall Follower - YouTube
And program code:
Wall Fallower.txt - Google Drive

I ordered the parts and assembled them(HC-SR04, Arduino Uno , driver motor L298N). And when I compiled the program on arduino, there was an unpleasant surprise, errors in libraries. I'm not very good at programming, but now I find out that those used libraries were created by him. Can you help me with "repair" this program? Or the creation of those libraries? Please !

2

Which you appear to have forgotten to post.

Oops.

3

UltrasonicHZV2.h
MotorSayangHZ.h

4

Those don't look like errors, they look like names of header files.

5

The missing libraries look like they are fairly basic and can be replaced with your choice of HC-SR04 Ultrasonic Rangefinder code and your basic DC motor driver code. If you are using a motor control shield, I recommend you get a matching driver library. Look at other examples of HC-SR04 use and DC motor driver use.

6

And can you help me? I don't know at all.

I found this library, but i don't know what i need to change...

7

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