1_9 Light Single Rainbow LED Pixel

Light a Single Rainbow LED Pixel

Code

The code in the editor below is ready to run! Plug Code Lab Mini in to your computer's USB port, make sure that your Code Lab Mini Rainbow Add-On (sold separately) is attached, and hit 'Upload Your Code!' to see what it does. Change something in the code, like a delay or pin number. Try to add something new to the program - it's yours to tinker with! You can always press the 'Restore' button to return the code to the working example.

If you haven't set up your Code Lab Mini Rainbow Add-On yet, visit Chapter 0 to watch a video showing you how to do that.


// Turn on a single rainbow pixel of the Code Lab Mini Rainbow LED add-on #include "LEDStrip.h" //The LEDStrip.h library gives your code access to special functions exclusive to LED rainbow pixels LEDStrip rainbow = LEDStrip(15, 13, A5); //Set up the rainbow by defining how many pixels (15) and how they are connected. //The info inside these parentheses will never change when using the Code Lab Mini add-on void setup(){} void loop() { rainbow.setPixel(0, 200); //set the pixel you want to light (0-14) and the color (0-300) rainbow.draw(); //Send the setPixel values to the rainbow } // (c) 2023 Let's Start Coding. License: www.letsstartcoding.com/bsdlicense
 

Walkthrough Video

Watch the video for a line-by-line explanation of how the example program works. Then you'll be ready to make some changes of your own!

LED Pixel Color Spectrum


Use this spectrum to estimate the color values you'll need for your 'setPixel' arguments to achieve your favorite color!


Challenges

Can you complete the challenges? Change the code in your code editor above. Upload your code to see the effect when you're finished. Complete a challenge? Check it off the list!