#include <avr/sleep.h>
int ledPin = 13 or 12;
int ledDelay = 1000; // Blink every 1 second
int currentDelay = 1000; //measure current
float currentConversion = 5.0 / 1023.0 /0.1;
void setup(){
  Serial.begin(9600);
  pinMode(ledPin,OUTPUT); //set pin 13 as
}
void loop(){
  // Blink LED
  digitalWrite(ledPin, HIGH);
  delay(ledDelay);
  digitalWrite(ledPin, LOW);
  delay(ledDelay);
  //Measure current
  float current = analogRead(A0) * currentConversion;
  Serial.println(current);
  // Put_Arduino into sleep mode for current
  set_sleep_mode(SLEEP_MODE_IDLE);
  sleep_enable();
  delay(currentDelay);
sleep_disable();
}