#include <avr/interrupt.h>
#include <avr/sleep.h>

// Define relais pins 
#define relaisPin_1 12
#define relaisPin_2 13

void setup() {
  Serial.begin(9600);  // open the serial port at 9600 bps

  pinMode(relaisPin_1, OUTPUT);
  pinMode(relaisPin_2, OUTPUT);

  Serial.println("Hello!");
}

void loop() {
  delay(2000);  // Wait for 2 seconds
  Serial.println("Enable power rail #1");
  digitalWrite(relaisPin_1, HIGH);  // Poweron relais #1

  delay(2000);
  Serial.println("Enable power rail #2");
  digitalWrite(relaisPin_2, HIGH);  // Poweron relais #2

  delay(50);  // wait for UART to finish
  stop();         
}   

void stop() {
  // Turn microcontroller off
  Serial.println("All done, powering off. Goodbye.");
  delay(100);  // wait for UART to finish

  set_sleep_mode(SLEEP_MODE_PWR_DOWN);
  cli();
  sleep_mode();
}