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Design that works! It's what you need if you're building and competing with LEGO MINDSTORMS EV3 robotics. You'll find uses for the new light sensors.
Use the LEGO® MINDSTORMS® DOODLEBOT to draw your own artistic doodles – or set it in self-portrait mode for a drawing of itself, by itself. Place paper under the robot, position a pen in its arms, and use the EV3 remote to draw your own fanciful works of art. The robot comes preprogrammed with three different drawing modes.
The DOODLEBOT is the winner of the 2017 LEGO MINDSTORMS Remix Challenge and was built with a mix of elements from the popular LEGO MINDSTORMS EV3 (31313) and LEGO Technic Extreme Adventure (42069) sets.
The instructions below are for the NXT rather than the EV3 but it should be possible to adapt them to make them work for the EV3.
thenxtstep.blogspot.be/p/building-instructions.html
![Robot Robot](/uploads/1/2/5/8/125838452/360628334.jpg)
Check out nxtprograms.com for more plans.
The section below refers to the Lego Digital Designer program (LDD) which is free to download HERE (be sure to get the latest version which is 4.3 or later since earlier version don't include the EV3 parts). Assuming you have 4.3 or later you can get the EV3 parts by choosing the Mindstorms theme and then clicking the 'Filter bricks by boxes' button at bottom left and then choosing the EV3 set that you have.
LDD is a CAD (Computer Aided Design) program that lets you assemble virtual Lego parts in a 3D environment that feels like Blender but which is much simpler. Once the model is built the program can generate a sequence of building instructions - everything looks smart but the program is far from perfect, with the building instructions often showing pieces floating in mid air, for example, or coming together in an impossible order. On my first attempt at using the program I made this model of the RileyRover (without its cables) in two or three hours. With a bit more experience it think it could be done in 30 minutes.
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