Dr. E’s Challenges launch a new season

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The two Dr. E’s Challenges websites, WeDo and MINDSTORMS, have launched new cycles of challenges, starting with a joint challenge: Aviary: Let your imagination take flight! Design a bird to join our WeDo aviary. It can be realistic or imaginary (and it doesn’t actually need to fly). As described previously, these sites encourage students to use LEGO […]

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Dr. E’s Challenges: Meet the Leapers

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Dr. E’s Challenges are monthly, open-ended LEGO robotics activities for students around the world. Each month, a new challenge is announced. Students tackle the problem and publish videos and photos of their solutions on the Dr. E’s website. There are two versions of the Dr. E’s Challenges, WeDo and MINDSTORMS. In general, younger students try […]

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Challenge your students with Dr E

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Dr E’s WeDo Challenges and Dr E’s MINDSTORMS Challenges are gearing up for a new series of activities, starting in October 2016. Created by Professor Ethan Danahy of Tufts University, these sites encourage students from around the world to find creative solutions to open-ended problems using LEGO robotics and then share their creations with one another. The sites […]

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Running MINDSTORMS NXT on Mac OS X 10.10 Yosemite

Opening NXT Software on Yosemite

As a number of Mac users have discovered to their chagrin that the MINDSTORMS NXT Software (NXT-G) crashes on Apple computers running OS X Yosemite. The issue seems to be a problem with loading the Flash content into the MINDSTORMS NXT Software. One workaround is to disable the Flash content, which shows up in the Lobby […]

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Dr E’s MINDSTORMS and WeDo Challenges: New Season

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Trick or Treat! The new challenge season has started for Dr E’s MINDSTORMS Challenges and Dr E’s WeDo Challenges, with a special joint Halloween challenge–to make a trick-or-treating robot. Every month, each site features a new open-ended challenge. Participants create solutions using either MINDSTORMS or WeDo and post their creations on the site. At the […]

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Boom-gate intersection (EV3 Hackathon 2015)

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On 27 February 2015, a small group of EDGErs went to LEGOLAND for an EV3 Hackathon. This post documents one of the projects that came out of the event. For the EV3 Hackathon, Magee and I built a low-tech intersection–one that controls traffic flow using boom gates rather than bluetooth signals. Since the cars were […]

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EV3 gone wrong: What to do when your EV3 stops working

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The EV3 brick is a wonderful piece of technology, but like all technology, it sometimes has glitches. Here are some possible problems starting, stopping, and connecting the EV3 brick, with suggested solutions. Starting/stopping issues: The EV3 brick is dead after a battery change. The battery connection may be bad. Check the battery springs to make […]

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