Tutorial

Connection Diagram

 

Arduino

Sensor

A0

GREEN

5V

RED

GND

GRAY

Sample Code

void setup()

{

Serial.begin(9600); // open serial port, set the baud rate to 9600 bps

}

void loop()

{

int val;

val=analogRead(0);

//connect grayscale sensor to Analog 0

Serial.println(val,DEC);//print the value to serial