項目GY-31TCS230Grove 12C ColorTCS3200
官網 https://surtrtech.com/2019/08/04/arduino-color-detection-using-tcs3200-tcs230-gy-31-color-sensor-module-rgb-project/

 https://wiki.seeedstudio.com/cn/Grove-I2C_Color_Sensor/

 https://wiki.dfrobot.com/TCS3200_Color_Sensor__SKU_SEN0101_
本站下載 Grove_I2C_Color_Sensor-master
接線方式
範例程式
/* This code works with GY-31 TCS3200 TCS230 color sensor module
* It select a photodiode set and read its value (Red Set/Blue set/Green set) and displays it on the Serial monitor
* Refer to www.surtrtech.com for more details
*/
#define s0 8 //Module pins wiring
#define s1 9
#define s2 10
#define s3 11
#define out 12
int data=0; //This is where we're going to stock our values
void setup()
{
pinMode(s0,OUTPUT);//pin modes
pinMode(s1,OUTPUT);
pinMode(s2,OUTPUT);
pinMode(s3,OUTPUT);
pinMode(out,INPUT);
Serial.begin(9600); //intialize the serial monitor baud rate

digitalWrite(s0,HIGH); //Putting S0/S1 on HIGH/HIGH levels means the output frequency scalling is at 100% (recommended)
digitalWrite(s1,HIGH); //LOW/LOW is off HIGH/LOW is 20% and LOW/HIGH is 2%

}
void loop() //Every 2s we select a photodiodes set and read its data
{
digitalWrite(s2,LOW);//S2/S3 levels define which set of photodiodes we are using LOW/LOW is for RED LOW/HIGH is for Blue and HIGH/HIGH is for green
digitalWrite(s3,LOW);
Serial.print("Red value= ");
GetData();//Executing GetData function to get the value
digitalWrite(s2,LOW);
digitalWrite(s3,HIGH);
Serial.print("Blue value= ");
GetData();
digitalWrite(s2,HIGH);
digitalWrite(s3,HIGH);
Serial.print("Green value= ");
GetData();
Serial.println();
delay(2000);
}
void GetData(){
data=pulseIn(out,LOW); //here we wait until "out" go LOW, we start measuring the duration and stops when "out" is HIGH again
Serial.print(data); //it's a time duration measured, which is related to frequency as the sensor gives a frequency depending on the color
Serial.print("\t"); //The higher the frequency the lower the duration
delay(20);
}

 int s0=3,s1=4,s2=5,s3=6;
int out=2;
int flag=0;
byte counter=0;
byte countR=0,countG=0,countB=0;
void setup()
{
Serial.begin(115200);
pinMode(s0,OUTPUT);
pinMode(s1,OUTPUT);
pinMode(s2,OUTPUT);
pinMode(s3,OUTPUT);
}
void TCS()
{
flag=0;
digitalWrite(s1,HIGH);
digitalWrite(s0,HIGH);
digitalWrite(s2,LOW);
digitalWrite(s3,LOW);
attachInterrupt(0, ISR_INTO, CHANGE);
timer0_init();
}
void ISR_INTO()
{
counter++;
}
void timer0_init(void)
{
TCCR2A=0x00;
TCCR2B=0x07; //the clock frequency source 1024 points
TCNT2= 100; //10 ms overflow again
TIMSK2 = 0x01; //allow interrupt
}
int i=0;
ISR(TIMER2_OVF_vect)//the timer 2, 10ms interrupt overflow again. Internal overflow interrupt executive function
{
TCNT2=100;
flag++;
if(flag==1)
{
countR=counter;
Serial.print("red=");
Serial.println(countR,DEC);
digitalWrite(s2,HIGH);
digitalWrite(s3,HIGH);
}
else if(flag==2)
{
countG=counter;
Serial.print("green=");
Serial.println(countG,DEC);
digitalWrite(s2,LOW);
digitalWrite(s3,HIGH);
}
else if(flag==3)
{
countB=counter;
Serial.print("blue=");
Serial.println(countB,DEC);
Serial.println("\n");
digitalWrite(s2,LOW);
digitalWrite(s3,LOW);
}
else if(flag==4)
{
flag=0;
}
counter=0;
}
void loop()
{
TCS();
while(1);
}