Color

#include <Arduino.h>
#include <MD_TCS230.h>

#define  S0_OUT  2
#define  S1_OUT  3
#define  S2_OUT  4
#define  S3_OUT  5
MD_TCS230 ColorSensor(S2_OUT, S3_OUT, S0_OUT, S1_OUT);

#define R_OUT 6
#define G_OUT 7
#define B_OUT 8

void set_rgb_led(int r, int g, int b) {
  if (g > 100) {
    g = (255 + g) / 2;
    r /= 2;
    b /= 2;
  }
  analogWrite(R_OUT, 255 - r);
  analogWrite(G_OUT, 255 - g);
  analogWrite(B_OUT, 255 - b);
}

void setup()
{
    Serial.begin(115200);
    Serial.println("Started!");

    sensorData whiteCalibration;
    whiteCalibration.value[TCS230_RGB_R] = 42920;
    whiteCalibration.value[TCS230_RGB_G] = 43330;
    whiteCalibration.value[TCS230_RGB_B] = 55360;

    sensorData blackCalibration;
    blackCalibration.value[TCS230_RGB_R] = 6610;
    blackCalibration.value[TCS230_RGB_G] = 6000;
    blackCalibration.value[TCS230_RGB_B] = 7350;

    ColorSensor.begin();
    ColorSensor.setDarkCal(&blackCalibration);
    ColorSensor.setWhiteCal(&whiteCalibration);

    pinMode(R_OUT, OUTPUT);
    pinMode(G_OUT, OUTPUT);
    pinMode(B_OUT, OUTPUT);
}

void loop()
{
    colorData rgb;
    ColorSensor.read();
    while (!ColorSensor.available())
        ;
    ColorSensor.getRGB(&rgb);
    set_rgb_led(rgb.value[TCS230_RGB_R], rgb.value[TCS230_RGB_G], rgb.value[TCS230_RGB_B]);
    print_rgb(rgb);
    delay(50);
}

void print_rgb(colorData rgb)
{
    Serial.print(rgb.value[TCS230_RGB_R]);
    Serial.print(" ");
    Serial.print(rgb.value[TCS230_RGB_G]);
    Serial.print(" ");
    Serial.print(rgb.value[TCS230_RGB_B]);
    Serial.println();
}