Inactive sensor block


the rgb line follower block and color sensor block are inactive. how to use them


Did you add a device?
Can you write me your problems here :


Hello saieeshg,
You have to switch to Upload mode and they will be available.


Have you switch mode to Upload


yes they are now visible after switching to offline mode. does it mean that i cant use rgb line follower and color sensor in live mode.?


You may use Upload Mode broadcast.
On device, we upload:

Then for sprite, we have these block: