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February 17, 2018 09:53
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/* | |
Lilymini ProtoSnap Activity 2: Basic Color Mixing | |
SparkFun Electronics | |
https://www.sparkfun.com/products/14346 | |
Modified 16 Feb 2018 | |
by K Margenau | |
Create primary and secondary colors on the built-in RGB (Red/Green/Blue) LED | |
This code is released under the MIT License (http://opensource.org/licenses/MIT) | |
******************************************************************************/ | |
// The LilyMinihas a built-in RGB (Red / Green / Blue) LED. | |
// In this activity we'll use digitalWrite to tun the three LEDs on and off | |
// in various combinations to create eight primary and secondary colors. | |
// Create integer variables for our LED pins: | |
// The built-in LED: | |
int RGB_red = 5; | |
int RGB_green = 6; | |
int RGB_blue = 7; | |
// The colored LEDs along the bottom edge of the board: | |
void setup() | |
{ | |
// Make all of our LED pins outputs: | |
pinMode(RGB_red, OUTPUT); | |
pinMode(RGB_green, OUTPUT); | |
pinMode(RGB_blue, OUTPUT); | |
} | |
void loop() | |
{ | |
// This code will step through the six primary and secondary colors, plus white and black. | |
// HIGH turns a light on with the protosnap | |
// For each of these colors, we'll turn the necessary RGB LEDs on or off. | |
// white (all LEDs on) | |
digitalWrite(RGB_red, HIGH); | |
digitalWrite(RGB_green, HIGH); | |
digitalWrite(RGB_blue, HIGH); | |
delay(1000); | |
// cyan (green + blue) | |
digitalWrite(RGB_red, LOW); | |
digitalWrite(RGB_green, HIGH); | |
digitalWrite(RGB_blue, HIGH); | |
delay(2000); | |
// blue (red and green are off) | |
digitalWrite(RGB_red, LOW); | |
digitalWrite(RGB_green, LOW); | |
digitalWrite(RGB_blue, HIGH); | |
delay(3000); | |
// magenta (red + blue) | |
digitalWrite(RGB_red, HIGH); | |
digitalWrite(RGB_green, LOW); | |
digitalWrite(RGB_blue, HIGH); | |
delay(4000); | |
// red (blue and green off) | |
digitalWrite(RGB_red, HIGH); | |
digitalWrite(RGB_green, LOW); | |
digitalWrite(RGB_blue, LOW); | |
delay(5000); | |
// yellow (red + green) | |
digitalWrite(RGB_red, HIGH); | |
digitalWrite(RGB_green, HIGH); | |
digitalWrite(RGB_blue, LOW); | |
delay(6000); | |
// green (red and blue LEDs off) | |
digitalWrite(RGB_red, LOW); | |
digitalWrite(RGB_green, HIGH); | |
digitalWrite(RGB_blue, LOW); | |
delay(7000); | |
// black (all LEDs off) | |
digitalWrite(RGB_red, LOW); | |
digitalWrite(RGB_green, LOW); | |
digitalWrite(RGB_blue, LOW); | |
delay(1000); | |
} |
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