Modifications

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== What are NeoPixels ==

== What are NeoPixels? ==

NeoPixel is a brand from Adafruit Industries. It concerns individually addressable LEDs that can be controlled with a single data line.

NeoPixel is a brand from Adafruit Industries. It concerns individually addressable LEDs that can be controlled with a single data line.

The NeoPixels contains a small microcontroller used to decode the information send on the Data Line and using PWM generator to drive the LEDs.

The NeoPixels contains a small microcontroller used to decode the information send on the Data Line and using PWM generator to drive the LEDs.

[[Fichier:NeoPixel-UserGuide-01.jpg]]

[[Fichier:NeoPixel-UserGuide-01.jpg|360px]]

It also include a constant current supply for the LED, which means that the color would not change with the supply voltage.

It also include a constant current supply for the LED, which means that the color would not change with the supply voltage.

NeoPixel is a very powerful technology. You can learn more about it from [https://learn.adafruit.com/adafruit-neopixel-uberguide the Adafruit's neoPixel User Guide] or the [[NeoPixel-UserGuide|translated NeoPixel user guide]].

NeoPixel is a very powerful technology. You can learn more about it from [https://learn.adafruit.com/adafruit-neopixel-uberguide the Adafruit's neoPixel User Guide] or the [[NeoPixel-UserGuide|translated NeoPixel user guide]].

The Feather M0 Express also contains a NeoPixel LED.

The Feather M0 Express also contains a NeoPixel LED. This LED is used by the Microcontroller to inform the user about its running status (red or green).

 

 

 

== Installing the library ==

== Installing the library ==