thotcon 0x8 badge RGB demo

thot8_rgb.ino

// RGB demo on the Thotcon 0x8 badge
// Board type: Arduino Leonardo

#include "FastLED.h"

#define NUM_LEDS 4
#define DATA_PIN 11

// Define the array of leds
CRGB leds[NUM_LEDS];

const int analog0 = A0;  // Analog input pin that the potentiometer is attached to
const int analog1 = A1;
const int analog2 = A2;

int sensorValue0 = 0;
int sensorValue1 = 0;
int sensorValue2 = 0;

int red = 0;
int green = 0;
int blue = 0;


void setup() {
  //Serial.begin(9600);
  FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
}

void loop() {
  // read the analog in value:
  sensorValue0 = analogRead(analog0);
  sensorValue1 = analogRead(analog1);
  sensorValue2 = analogRead(analog2);

  // print the results to the serial monitor:
//  Serial.print("A0 = ");
//  Serial.println(sensorValue0);
//  Serial.print("A1 = ");
//  Serial.println(sensorValue1);
//  Serial.print("A2 = ");
//  Serial.println(sensorValue2);

  // Map the 0 to 1023 value from the pots to 255 to 0 brightness for the LEDs
  red = map(sensorValue2, 0, 1023, 255, 0);
  green = map(sensorValue1, 0, 1023, 255, 0);
  blue = map(sensorValue0, 0, 1023, 255, 0);

  // Sets the first 3 LEDs to Red, Green, and Blue individual brightness levels
  leds[0].r = red;
  leds[1].g = green;
  leds[2].b = blue;

  // Combines the 3 color brightness levels and displays them all mixed on the 4th LED
  leds[3] = CRGB( red, green, blue );

  FastLED.show();

  // wait 2 milliseconds before the next loop
  // for the analog-to-digital converter to settle
  // after the last reading:
  delay(2);
}