When I built the COR3 robot I started to have some fun programming it. But then I wanted to add a ultrasonic sensor on my robot but I can't seem to find a way to place it on my robot. If you can please help me where to put it I will attach a photo to show you more information and a link.


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1 Answer 1


The ultrasonic sensor is useful for navigation. This robot design has a nice skirt and positioning the ultrasonic sensor should not interfere with that skirt. Also the ultrasonic sensor is excellent at detecting right angles like the floor meeting a wall. So, I'd recommend positioning the sensor on either a side (for following along a wall) or the back (to slow down just before reaching a wall when backing up). It doesn't matter a lot whether the sensor is mounted vertically or horizontally.

So, given all that how do you mount it on the robot? Pins and a couple beams or right angle beams. You might also find an existing small pin that can be replaced with a deeper pin. Maybe the better answer is lots of trial and error.

  • Thanks for your comment. I have been waiting for someone to reply to me but I had patience. Thank you for giving me an idea to where I should put it now.
    – Gabriel
    Mar 1, 2021 at 14:47

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