How to make a robot follow you?

Projects General Guidance
1

I would like to make a robot that follows me wherever I go, on plane surface. Outdoors and indoors. Not sure how to achieve this. IR or Sonar or image processing??? :~
Please help. :slight_smile:

2

Piece of string tied to your waist and to the robot 8)

Or, wear some kind of beacon that the robot can sense & follow.
Maybe a belt of IR LEDs.

3

Google "arduino pixy camera".

4

I'm definitely not an expert on these things but I remember seeing in a YouTube video somebody achieved this by using ping sensors mounted on their belt and on the robot itself. I can't really recall exactly how they did it, but they made it so that the robot would try and stay within a certain range. If the right ping sensor read further distance than the left ping sensor, the robot would turn accordingly and so on.

5

AdmiralBazooka:
I'm definitely not an expert on these things but I remember seeing in a YouTube video somebody achieved this by using ping sensors mounted on their belt and on the robot itself. I can't really recall exactly how they did it, but they made it so that the robot would try and stay within a certain range. If the right ping sensor read further distance than the left ping sensor, the robot would turn accordingly and so on.

Ben Heck did this with his "robotic luggage" project.

6

Ben Heck did this with his "robotic luggage" project.
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Ah, yes I just found the video. I had forgotten who did this :]

7

It depends on how far behind you , you want the robot to follow.
If its very close, like a meter or 2 , then some simple kind of proximity sensor on the robot that senses
something which you carry will work.
If its further away, it gets much harder, especially if you want the robot to be able to follow you around obstacles
or around a corner.