WebUSB

WebUSB is an emerging web standard that allows to access @boardname@ from web pages. It allows for a one-click download without installing any additional app or software! It also allows to receive data from the @boardname@.

Support

Chrome 79+ browser for Android, Chrome OS, Linux, macOS and Windows 10.
Microsoft Edge 79+ browser for Android, Chrome OS, Linux, macOS and Windows 10.

Prepare your @boardname@

Make sure that your @boardname@ is running version 0249 or above of the firmware. Upgrading is as easy as dragging a file and it takes a few seconds to get it done.

Check out the instructions to check and upgrade your @boardname@.

Pair your @boardname@

Here are the steps on the supported browsers:

connect your @boardname@ to your computer with the microUSB cable
open a project
click the triple dot icon on the Download button and click Pair device
click on the Pair device button and select Calliope mini or DAPLink CMSIS-DAP from the list.

If you don't see any devices in the list and @boardname@ has the right firmware (0249 or above), you can create a support ticket to notify the Micro:bit Foundation of the problem. Skip the rest of these steps.

Unpair your @boardname@ #unpair

You will need to unpair your device from the editor to disable WebUSB.

Click on the lock icon in the address bar
Uncheck each Calliope mini or DAPLink CMSIS-DAP device
Reload the page

One-click Download

Once your @boardname@ is paired, MakeCode will use WebUSB to transfer the code without having to drag and drop. Happy coding!

Console output

MakeCode will be able to "listen" to your @boardname@ and display the console output.

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