LEGO Frames for Reference

Posted: October 31, 2011 in Engineering, LEGO, Robotics
Tags: , , , , , , , , ,

I love coaching FIRST LEGO League. It is a ton of fun and it is always interesting to see all the different robot ideas. One major challenge for my FLL team was building a strong motor base. While there are many good ideas out on the internet, I wanted to share one that my team really likes. Using 2 Technic frames and 1 1×13 beam, they were able to build a strong base. I have used this design before and I have been very pleased with the results. As you can see from the image, it is just a few parts and you are ready to go.

Actually, I used this design for a small robot I built last month. This robot uses the NXShield from Mindsensors. The video is on YouTube, though it wont let me make it public. I will work to get that sorted out and post again with the video in place. This is an early picture, but you can see the frames and base in the photo. I added a few more sensors for the video, but you can see how small and compact the robot is. In fact the entire robot is about 25 cm long and 20 cm wide. The robot is strong, and while I don’t recommend dropping your design, this one has survived a few falls.

The NXShield uses an Arduino and can easily be programmed in C. It has 4 motor ports and 4 sensor ports. My completed bot used a few touch sensors, a Mindsensors LineLeader, and a MindSensors Sumo Eyes. If you would like to learn more about Mindsensors and the NXShield, SumoEyes or LineLeader, check out Mindsensors.com.

Got an idea on how to make a motor base? Post below! What is your best design?

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