LEGO MINDSTORMS EV3 Extension

This article is about the extension. For the device, see EV3.

Icon

The image for the Lego Mindstorm EV3 Extension in the Extensions Menu.

The LEGO MINDSTORMS EV3 extension is an extension introduced in Scratch 3.0 that connects an EV3 unit to Scratch. The extension contains four stack blocks, three reporter blocks, three hat blocks, and one Boolean block. One must have Scratch Link installed and running to connect an EV3 to Scratch.

A robot built with the EV3 kit

Blocks

Note:

Click a block to learn more about it.

• motor ( v) turn this way for () seconds
• motor ( v) turn that way for () seconds
• motor ( v) set power ()%
• (motor ( v) position:: ev3)
• when button ( v) pressed
• when distance \< ()
• when brightness \< ()
• <button ( v) pressed?:: ev3>
• (distance:: ev3)
• brightness
• beep note () for () secs

Stage Monitors

Of the four reporter and boolean blocks, the two values Distance and Brightness can have Stage Monitors.

Buttons

Buttons in the blocks mean they sense movements and/or touch in the sensors connected to the ports, not meaning the brick's buttons.

See Also

• EV3
• LEGO BOOST Extension
• LEGO Education WeDo 2.0 Extension