필수정보

동작전압 : 3.3-5V

통신 인터페이스: IIC

IIC 7-bit address 0x29 

아두이노 데모 코드 

​#include <Wire.h> 

#include "Adafruit_TCS34725.h" 

// Pick analog outputs, for the UNO these three work well 

// use ~560  ohm resistor between Red & Blue, ~1K for green (its brighter) 

#define redpin 3 

#define greenpin 5 

#define bluepin 6 

// for a common anode LED, connect the common pin to +5V 

// for common cathode, connect the common to ground 

// set to false if using a common cathode LED 

#define commonAnode true 

// our RGB -> eye-recognized gamma color 

byte gammatable[256]; 

Adafruit_TCS34725 tcs = Adafruit_TCS34725(TCS34725_INTEGRATIONTIME_50MS, TCS34725_GAIN_4X); 

void setup() { 

  Serial.begin(9600); 

  Serial.println("Color View Test!"); 

  if (tcs.begin()) { 

    Serial.println("Found sensor"); 

  } else { 

    Serial.println("No TCS34725 found ... check your connections"); 

    while (1); // halt! 

  } 

  // use these three pins to drive an LED 

  pinMode(redpin, OUTPUT); 

  pinMode(greenpin, OUTPUT); 

  pinMode(bluepin, OUTPUT); 

  // thanks PhilB for this gamma table! 

  // it helps convert RGB colors to what humans see 

  for (int i=0; i<256; i++) { 

    float x = i; 

    x /= 255; 

    x = pow(x, 2.5); 

    x *= 255; 

    if (commonAnode) { 

      gammatable[i] = 255 - x; 

    } else { 

      gammatable[i] = x;       

    } 

    //Serial.println(gammatable[i]); 

  } 

} 

void loop() { 

  uint16_t clear, red, green, blue; 

  tcs.setInterrupt(false);      // turn on LED 

  delay(60);  // takes 50ms to read  

  tcs.getRawData(&red, &green, &blue, &clear); 

  tcs.setInterrupt(true);  // turn off LED 

  Serial.print("C:\t"); Serial.print(clear); 

  Serial.print("\tR:\t"); Serial.print(red); 

  Serial.print("\tG:\t"); Serial.print(green); 

  Serial.print("\tB:\t"); Serial.print(blue); 

  // Figure out some basic hex code for visualization 

  uint32_t sum = clear; 

  float r, g, b; 

  r = red; r /= sum; 

  g = green; g /= sum; 

  b = blue; b /= sum; 

  r *= 256; g *= 256; b *= 256; 

  Serial.print("\t"); 

  Serial.print((int)r, HEX); Serial.print((int)g, HEX); Serial.print((int)b, HEX); 

  Serial.println(); 

  //Serial.print((int)r ); Serial.print(" "); Serial.print((int)g);Serial.print(" ");  Serial.println((int)b ); 

  analogWrite(redpin, gammatable[(int)r]); 

  analogWrite(greenpin, gammatable[(int)g]); 

  analogWrite(bluepin, gammatable[(int)b]); 

} 

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