![]() ![]() In our example we briefly used 96 to illustrate how a long strip of NeoPixels works. Best practice is to keep the number of LEDs below eight if using the 5V supply on the Arduino. We are using GPIO pin 6, and we want a 10 ms pause between each LED color change and we have 96 LEDs in our chain. Create three constants that will contain the GPIO pin used for the NeoPixel data pin, a pause (in ms) and the number of LEDs in our chain. Python programmers will be familiar with this, in Python we import a module of code. Include the Adafruit NeoPixel library in the sketch. ![]() Click on File > New to create a new sketch. ![]() We shall use Adafruit’s NeoPixel library to control a short chain of NeoPixels, changing their color from red to green and then blue.ġ. Connecting up to eight NeoPixels to an Arduino Uno is perfectly safe, but any more and you should consider external power for the NeoPixels ![]()
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