int pump = 2;
int dts_sensor = A1;


void setup() {
  // put your setup code here, to run once:
pinMode(pump, OUTPUT);
pinMode(dts_sensor, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
if(dts_sensor = HIGH) {
digitalWrite(pump, HIGH);
delay(1000);
digitalWrite(pump, LOW);
delay(1000);
}
}