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chuckmcknight

Custom Maze Posts & Pegs

by chuckmcknight Dec 2, 2015
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This is a wonderful implementation. Congratulations! I would like to ask what the wall pegs are used for? I can see the wall posts but why do I need the wall pegs? Thank you in advance.
K.

Great question because it is not obvious from just looking at the picture. The posts have a hole in the bottom to accommodate the pegs (recently I changed my pegs out for machine screws and flat plates with a hole in the center). My "floor" has holes drilled in to allow the pegs to protrude through to keep the posts from moving if the mBot collides with a wall. The issue with the pegs is that they will snap if the collision is too violent (which is why I'm using machines screws and flat plates now). :-)

Thank you very much for the quick answer. Everything is clear now :) !!!

This is a fabulous idea! I am building one for my robotics class. This is great for pushing their programming abilities beyond simple collision avoidance. I am going to try it with the screws and washers.

Thanks, I reworked the pegs last week by replacing the 4mm peg with a hole and used machine screws, washers, and a thin unlock to hold the screw in place. I did have to drill out the peg hole in the post a little deeper (about 6mm) because I used longer screws but in the Maker Faire demos everything was much sturdier.

Next task is to get time to design the playing field so that I can laser cut some matte acrylic pieces for the rooms and lines followed by building the underlying bed. I'll post pics when I'm through.

Do you have the dimensions to build one.

For the one in the video, the overall field is 5' x 5', the pegs are on 10.5" centers.