Scratch Link
Scratch Link allows you to connect hardware to interact with your Scratch projects. Open new possibilities by combining your digital projects with the physical world.
Windows 10 version 1709+
macOS 10.15+
Bluetooth
Install Scratch Link
Things to Try
Compatible with Scratch Link
micro:bit
micro:bit is a tiny circuit board designed to help kids learn to code and create with technology.
LEGO MINDSTORMS EV3
LEGO MINDSTORMS Education EV3 is an invention kit with motors and sensors you can use to build interactive robotic creations.
LEGO Education WeDo 2.0
LEGO Education WeDo 2.0 is an introductory invention kit you can use to build interactive robots and other creations.
LEGO BOOST
The LEGO BOOST kit brings your LEGO creations to life with powerful motors, a color sensor and more.
Vernier Force & Acceleration
The Vernier Go Direct Force & Acceleration sensor is a powerful scientific tool that unlocks new ways to connect the physical world to your Scratch projects.
Troubleshooting
Make sure Scratch Link is running
If Scratch Link does not appear in your notification area (system tray), run Scratch Link from your Start menu.
Make sure your browser is compatible with Scratch Link
Scratch Link is compatible with most browsers on macOS and Windows. For Safari, please update to Scratch Link 2.x, Safari 14 or newer, and macOS 10.15 or newer.
Make sure your operating system is compatible with Scratch Link
The minimum operating system versions are listed at the top of this page. See instructions for checking your version of Windows or Mac OS.
If you are using macOS 12, please update to macOS 12.3 or newer. Earlier versions of macOS 12 may not work correctly with Scratch Link.
Close other copies of Scratch
Only one copy of Scratch can connect with Scratch Link at a time. If you have Scratch open in other browser tabs, close it and try again.