LDD Building Instruction samples and .lxf file

In a post earlier this year, I wrote about a small bot I built that would be able to participate in RoboCup Jr. This IRBot and all its parts had to fit in a circle with an 18cm diameter and could not exceed a height of 22cm. The IRSeeker sensor would detect the IR ball used in the competition and the Compass sensor could be used to give the robot a sense of direction and better comprehension of the playing field (where is the competition's goal relative to my position and orientation? where is my goal?)

The robot I built used HiTechnic's IRSeeker sensor and the Compass sensor. Now, LDD does not yet have HiTechnic's sensors included in the palettes, but that didn't stop me from creating some building instructions for it with LDD. You'll just have to substitute the Compass and IRSeeker for the Light and Sound sensors shown in the steps.

You can download the (zipped) .lxf file here.

And you can download the 3MB zipped file containing 28 PNG images containing the steps to build this robot here.

The robot may not be that impressive, but consider that it took me less than 30 minutes to build it using LDD and another 30 minutes to take and crop screenshots of the 28 building steps. In about 1 hour, I've been able to not only design a simple bot in LDD but also create fully functional building instructions for it that can be shared with anyone who wants to build it... modify it... add on to it...

I'm also providing these building instructions to show you how easy it is to create them for places like NXTLOG and other websites. Instead of just a few photos, try building your robot in LDD, take some screen captures using the Building Instruction Player (a tool in LDD) and uploading the images to NXTLOG or other and let others try out your design.

Have fun.

Jim

Celebrating MINDSTORMS with a Remix - Part 3

The ROBOTMAK3RS continued their celebration of the 25th Anniversary of MINDSTORMS through these Fall and Winter remix projects. Each ROBOTMAK3R was tasked with selecting one LEGO set of their choice and combining it with a MINDSTORMS set. Below are the five amazing models they came up with. Braill3 by Jerry Nicholls Braill3 is an EV3-based LEGO Braille bricks reader. This robot uses its fingertip, made from three touch switches, to read messages written using the LEGO Braille bricks and will speak out what it detected. If it sees a simple maths problem it will attempt to solve it and give the answer as well. To learn more about the process of creating this machine, read Jerry's blog . Braill3 can be viewed here . Set Review: The Braille Bricks set is well thought out. The ratios of the letters is suitable for general use and the addition of some punctuation and arithmetic operators is excellent. There is a card showing what bricks there are and their quantities, but no form of sort

Celebrating MINDSTORMS with a Remix - Part 2

The ROBOTMAK3RS continued their celebration of the 25th Anniversary of MINDSTORMS through these summer and fall remix projects. Each ROBOTMAK3R was tasked with selecting one LEGO set of their choice and combining it with a MINDSTORMS set. Below are the five amazing models they came up with. Remote controlled material handle r by Jozua van Ravenhorst (aka Mr Jo) This remix combines the LEGO Technic Material Handler (42144) with MINDSTORMS EV3 (31313) It uses the power of pneumatic cylinders to move objects around. By using a bluetooth remote control, very precise movements can be made with this model. Touch sensors in the base chassis prevent the turret twisting the cables that go through the turntable to much. The program has several protections to prevent over pressurizing the system for each of the 3 individual pumps and valves that control the 2 booms and claws. The real version of this machine is mostly used in waste material sites to bring the material to machines that sort and

Celebrating 25 Years of MINDSTORMS

In celebration of the 25th Anniversary of MINDSTORMS, we take a trip through history. Please also visit ROBOTMAK3RS Community every week as we highlight different projects all through 2023 in celebration of the anniversary. Some of the early history is based on the content shared by Coder Shah in our MINDSTORMS EV3 Community Group . Some of the text and links may have been edited from his original posts for consistency and clarity. 1984 - Kjeld Kirk Kristiansen watched a TV program called "Talking Turtle," where MIT professor Seymour Papert demonstrated how children could control robot "turtles" using LOGO, a programming language he developed. 1988 - The collaboration between MIT and LEGO resulted in LEGO TC Logo in 1988, which allowed students to control LEGO models using computer commands. The video shows Papert demonstrating TC Logo. 1990 - LEGO TC Logo was hampered since the robots you built had to be tethered to a personal computer. LEGO and MIT

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