This blog post is about our current EV3 robot we're planning to use in the 2023/2024 FLL competition. Some features: 2 large motors for steering. 2 medium motors for attachments. 2 colour sensors for picking up the white and black lines, also used for line squaring. 1 gyro sensor. To enable attachments to be changed as quickly as possible we're using gravity to keep the gears connected, i.e. you don't need to fasten anything to the robot. Every attachment has 2x 12 tooth double bevel gear (part 32270) which comes in contact with the 2x 20 tooth double bevel gears (part 32269) on the robot. The medium motors are horizontally aligned on the robots, but we use 12 tooth double bevel gears to convert that to vertical alignments. These in turn are connected to 20 tooth double bevel gears, and the attachments in turn connect to these 20 tooth double bevel gears with their 12 tooth double bevel gears. The complete robot is modelled in Bricklink Studio 2 . You can download the rob...
The Lego EV3 Education core set (45544) comes with a sorting tray (see e.g. https://stemrobotics.cs.pdx.edu/sites/default/files/EV3%20Organizers.pdf). It seems there is nothing similar for the Lego EV3 Retail / Home version (31313).
Our Lego Robotics club received some EV3 Home version kits and the kids can take these kits home to play & learn. This is my first attempt of constructing a sorting tray. I'm sure it's not perfect, so I'll update as we go.
I've copied the images from http://robotsquare.com/2013/11/25/difference-between-ev3-home-edition-and-education-ev3/, which also offers a nice explanation of the difference between the two versions.
Top tray: (High resolution)
Bottom tray: (High resolution)
Part list:
PDF document for all the parts, sorted by block (A-M for the top tray, Z for the bottom tray).
Our Lego Robotics club received some EV3 Home version kits and the kids can take these kits home to play & learn. This is my first attempt of constructing a sorting tray. I'm sure it's not perfect, so I'll update as we go.
I've copied the images from http://robotsquare.com/2013/11/25/difference-between-ev3-home-edition-and-education-ev3/, which also offers a nice explanation of the difference between the two versions.
Top tray: (High resolution)
Bottom tray: (High resolution)
Part list:
PDF document for all the parts, sorted by block (A-M for the top tray, Z for the bottom tray).
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