/* Garden Soil Moisture Sensor test project
 * tutorial url: http://osoyoo.com/?p=686
 */
void setup()
{
   Serial.begin(9600); 
   pinMode(3,INPUT); 
   pinMode(13,OUTPUT); 
}
void loop()
{
 int val,val_old;
 val=digitalRead(3); 
 digitalWrite(13,val); 
 val_old=1023-analogRead(0);
 Serial.print("Moisture Sensor Value:");
 Serial.println(map(val_old, 0, 1023, 0, 100)); 
 delay(100);
}