เซนเซอร์ตรวจวัดค่าสี แยกสี GY-31 TCS230 TCS3200 color sensor color recognition module

• Chip: TCS230
• Input voltage: DC 3 ~ 5V
• Output frequency voltage: 0 ~ 5V
• Use bright white LED lights
• can be connected directly with Microcontroller
• Static detection of the measured object color
• Best detection distance: 10mm
• PCB size: 31.6 (mm) x24.4 (mm)

/*     Arduino Color Sensing Tutorial
 *      
 *  by Dejan Nedelkovski, www.HowToMechatronics.com
 *  
 */

#define S0 4
#define S1 5
#define S2 6
#define S3 7
#define sensorOut 8
int frequency = 0;
void setup() {
 pinMode(S0, OUTPUT);
 pinMode(S1, OUTPUT);
 pinMode(S2, OUTPUT);
 pinMode(S3, OUTPUT);
 pinMode(sensorOut, INPUT);
 
 // Setting frequency-scaling to 20%
 digitalWrite(S0,HIGH);
 digitalWrite(S1,LOW);
 
 Serial.begin(9600);
}
void loop() {
 // Setting red filtered photodiodes to be read
 digitalWrite(S2,LOW);
 digitalWrite(S3,LOW);
 // Reading the output frequency
 frequency = pulseIn(sensorOut, LOW);
 // Printing the value on the serial monitor
 Serial.print("R= ");//printing name
 Serial.print(frequency);//printing RED color frequency
 Serial.print("  ");
 delay(100);
 // Setting Green filtered photodiodes to be read
 digitalWrite(S2,HIGH);
 digitalWrite(S3,HIGH);
 // Reading the output frequency
 frequency = pulseIn(sensorOut, LOW);
 // Printing the value on the serial monitor
 Serial.print("G= ");//printing name
 Serial.print(frequency);//printing RED color frequency
 Serial.print("  ");
 delay(100);
 // Setting Blue filtered photodiodes to be read
 digitalWrite(S2,LOW);
 digitalWrite(S3,HIGH);
 // Reading the output frequency
 frequency = pulseIn(sensorOut, LOW);
 // Printing the value on the serial monitor
 Serial.print("B= ");//printing name
 Serial.print(frequency);//printing RED color frequency
 Serial.println("  ");
 delay(100);
}