void setup() {
  // initialize digital pin 13 as an output.
  pinMode(8, OUTPUT);
}

// the loop function runs over and over again forever
void loop() {
  digitalWrite(8, HIGH);   // turn the MOSFET-GATE on (HIGH is the voltage level)
  delay(10000);              // wait for 10 secondS
  digitalWrite(8, LOW);    // turn the MOSFET-GATE off by making the voltage LOW
  delay(300000);              // wait for 5 MINUTES