Sadly, Dr. E’s WeDo Challenges and Dr. E’s MINDSTORMS Challenges will no longer be posting new challenges. However, both websites will remain up so that you can continue to access the previous challenges and all of the wonderful submissions. Thank you to LEGO Education and to the Center for Engineering Education and Outreach at Tufts University for their years of support (and thank you to LEGO for their amazing robotics platforms). During the six years of WeDo challlenges and five years of MINDSTORMS challenges, we received almost 1000 submissions from around the world. The two websites had a total of 1266 registered users from 57 different countries. We were truly a global community! We have always been inspired and energized by the creativity and innovation shown by the Dr. E's Challenges community; while new challenges won't be posted moving forward, we hope that you continue doing awesome stuff in your homes, clubs, and classrooms and that you continue to share your projects with the world! Collaborating with all of you has been a joy and an inspiration. Thank you, The folks at Dr. E’s

Dog friends

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 A Lego dog is waiting for its Lego pet friend but its is sleeping. The pet is activated by a microphone when Jofre or Guillem speak. First, it is sleeping, waiting for a sound. After hearing a sound, it walks until the distance sensor detects a nearest object. Then it stops, says "whow whow" and walks backwards and sleeps again and the program restarts.

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 Design of program by Jofre. Design of walking pet by Jofre instpired by material elsewhere. Design of pet face by Guillem. Dad Jordi films using our tablet and Jofre edits the movie. The pet has a WeDo motor and a sensor. We also added a non-lego low-cost microphone connected to the computer. The "whow whow" sound has been added to the program by Jofre.

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 Program

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 Pet (front view)

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 Pet lateral view 1

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 Pet lateral view 2

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Pet  Rear view

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Note: Because Jofre and Guillem were the December fan favorite winners, their wonderful January entry was not included in the voting. Click here to see their winning December entry and their other creations.

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