pxt-calliope/docs/reference/radio/set-group.md

Set Group

Sets the group id for radio communications. A micro:bit can only listen to one group ID at any time.

Unless specified, the group id is automatically inferred from the script source. Every script with the same exact source code with start with the same group id.

Parameters

• id -- a number between 0 and 255.

Example

Sets the group to 128.

radio.setGroup(128)

See also

receive number, send number, on data received