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7/23/22, 9:41 PM Grove - Chainable RGB LED - Seeed Wiki
https://wiki.seeedstudio.com/Grove-Chainable_RGB_LED/ 4/29
Download Chainable LED Library
[https://github.com/pjpmarques/ChainableLED] and install it to
Arduino Library. There is the course about how to install
Arduino Library [/How_to_install_Arduino_Library] in wiki page.
Open the example CycleThroughColors by the path:File-
>Examples->ChainableLED_master and upload it to Seeeduino.
1 /*
2 * Example of using the ChainableRGB library for control
3 * This code cycles through all the colors in an uniform
4 */
5
6
7 # include <ChainableLED.h>
8
9 # define NUM_LEDS 5
10
11 ChainableLED leds ( 7 , 8 , NUM_LEDS);
12
13 void setup ()
14 {
15 leds.init();
16 }
17
18 float hue = 0.0 ;
19 boolean up = true ;
20
21 void loop ()
22 {
23 for (byte i= 0 ; i<NUM_LEDS; i++)
24 leds.setColorHSL(i, hue, 1.0 , 0.5 );
25
26 delay( 50 );
27
28 if (up)
29 hue+= 0.025 ;
30 else
31 hue-= 0.025 ;
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