The Harvester: A quick EV3 robot build

The Harvester

NOTE: See the updated version of this quick build here.

Like me, you’ve probably spent countless hours trying to come up with a quick robot design for your students. I recently decided to spend a couple of hours working on a quick build for the new EV3 robot. Special thanks goes to Chris Johnson for compiling the stop-motion video shown below and for the idea of the name of the robot – The Harvester. Although the final product may not be as robust under extreme conditions compared with other models, it only takes several minutes to build (once you find all 49 pieces, which includes wires, motors, sensors and brick!)

The Harvester’s design is shown with quick and easy-fitting colour and ultra-sonic sensor. There are convenient places to mount other sensors as well. We hope you like it.

Building instructions (EV3 workbook)

(Requires the EV3 Software to view.)

Building instructions (image)

(Click on the image for a larger version.)

The Harvester in stages

Parts required

(Click on the image for a larger version.)

The Harvester - quick 5 min build


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John Burfoot
John operates as a Science and STEAM Specialist for students in NSW Primary schools. He is also the founder of โ€œSci-rifficโ€ โ€“ a business that provides Professional Development for teachers in Science and LEGO Robotics. John holds a Bachelor of Education (Primary), a Certificate IV in Training & Assessment and is a qualified electronics technician, with experience in avionics and special effects for film and television.
John Burfoot

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One thought on “The Harvester: A quick EV3 robot build

  1. Thank you for the quick build. After disassembling our Lego robots for the season and sorting them into the kits, I was asked to do a Lego Workshop in two days. The workshop is not that long, and we needed a model that we could build quickly and start to learn programming. The Harverster works perfectly! YAY!

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