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| {{traduction}} | | {{traduction}} |
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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. |
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| 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. |
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− | [[Fichier:NeoPixel-UserGuide-01.jpg]] | + | [[Fichier:NeoPixel-UserGuide-01.jpg|360px]] |
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| 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. |
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| 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]]. |
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− | The Feather M0 Express also contains a NeoPixel LED. | + | === Feather M0 NeoPixel === |
| + | 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). |
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| + | [[Fichier:ENG-CANSAT-MISSION1-CAPTURE-10.png|360px]] |
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| + | The great thing about this NeoPixel is that we can take the control of it from your Arduino sketch. |
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| + | we just need to know the pin to use ('''pin 8''') and install the Adafruit NeoPixel Library for ATSAMD21 microcontroller :-) |
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| == Installing the library == | | == Installing the library == |