We'll want to turn the board's LED on or off from Adafruit IO. To do this, we'll need to
add a toggle button to our dashboard.
Click the cog at the top right hand corner
of your dashboard.
In the dashboard settings dropdown, click
Create New Block.
Selectthe toggle block.
Under My Feeds, enter ledas a feed
name. Click Create.
Choose the led feed to connect it to the
toggle block. Click Next step.
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