We'll use the QT Py's NeoPixel LED to visually indicate if it's freezing or scorching hot out.
The QT Py has a NeoPixel built in, highlighted on this picture, no soldering/wiring is required to connect it.
Ensure your QT Py appears "Online" on Adafruit IO. From the QT Py's device page, click the New Component (or "+") button to open the component picker.
Search for the component name by typing NeoPixel into the text box on the component picker.
Click the NeoPixel component.
The QT Py has a NeoPixel built in, on Adafruit IO we pre-populate the form so it's ready for use.
Click Create Component.
Behind the scenes, Adafruit IO sends send a command to your QT Py telling it to "configure pin D39 as a NeoPixel LED".
Your board's page on Adafruit IO should display the new NeoPixel component.
Page last edited April 16, 2026
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