/*This software is provided in AS IS condition,NO WARRANTIES in any form apply to this software.
 picmicrolab.com 
***************************************************************************************************************
//LED Battery Level Indicator Arduino - 10 LEDs I/O -0..9
//Analog Input 0-5V A0
*/
//********************************************

void setup() 
{
 // initialize LED & Analog I/O pins.
   pinMode(0, OUTPUT); 
   pinMode(1, OUTPUT); 
   pinMode(2, OUTPUT); 
   pinMode(3, OUTPUT); 
   pinMode(4, OUTPUT); 
   pinMode(5, OUTPUT); 
   pinMode(6, OUTPUT); 
   pinMode(7, OUTPUT);
   pinMode(8, OUTPUT); 
   pinMode(9, OUTPUT); 
   
   pinMode(A0, INPUT); 
}

void loop() 
{
  int analog_input = ( analogRead(A0) * 4.9 );
  delay(100);
if(analog_input  < 490 )
{
digitalWrite(0,HIGH);
digitalWrite(1,LOW);
digitalWrite(2,LOW);
digitalWrite(3,LOW);
digitalWrite(4,LOW);
digitalWrite(5,LOW);
digitalWrite(6,LOW);
digitalWrite(7,LOW);
digitalWrite(8,LOW);
digitalWrite(9,LOW);
}



if(analog_input  > 490 && analog_input  < 980)
{
digitalWrite(0,HIGH);
digitalWrite(1,HIGH);
digitalWrite(2,LOW);
digitalWrite(3,LOW);
digitalWrite(4,LOW);
digitalWrite(5,LOW);
digitalWrite(6,LOW);
digitalWrite(7,LOW);
digitalWrite(8,LOW);
digitalWrite(9,LOW);
}

if(analog_input  > 980 && analog_input  < 1470)
{
digitalWrite(0,HIGH);
digitalWrite(1,HIGH);
digitalWrite(2,HIGH);
digitalWrite(3,LOW);
digitalWrite(4,LOW);
digitalWrite(5,LOW);
digitalWrite(6,LOW);
digitalWrite(7,LOW);
digitalWrite(8,LOW);
digitalWrite(9,LOW);
}
if(analog_input  > 1470 && analog_input  < 1960)
{
digitalWrite(0,HIGH);
digitalWrite(1,HIGH);
digitalWrite(2,HIGH);
digitalWrite(3,HIGH);
digitalWrite(4,LOW);
digitalWrite(5,LOW);
digitalWrite(6,LOW);
digitalWrite(7,LOW);
digitalWrite(8,LOW);
digitalWrite(9,LOW);
}
if(analog_input  > 1960 && analog_input  < 2450)
{
digitalWrite(0,HIGH);
digitalWrite(1,HIGH);
digitalWrite(2,HIGH);
digitalWrite(3,HIGH);
digitalWrite(4,HIGH);
digitalWrite(5,LOW);
digitalWrite(6,LOW);
digitalWrite(7,LOW);
digitalWrite(8,LOW);
digitalWrite(9,LOW);
}
if(analog_input  > 2450 && analog_input  < 2940)
{
digitalWrite(0,HIGH);
digitalWrite(1,HIGH);
digitalWrite(2,HIGH);
digitalWrite(3,HIGH);
digitalWrite(4,HIGH);
digitalWrite(5,HIGH);
digitalWrite(6,LOW);
digitalWrite(7,LOW);
digitalWrite(8,LOW);
digitalWrite(9,LOW);
}
if(analog_input  > 2940 && analog_input  < 3430)
{
digitalWrite(0,HIGH);
digitalWrite(1,HIGH);
digitalWrite(2,HIGH);
digitalWrite(3,HIGH);
digitalWrite(4,HIGH);
digitalWrite(5,HIGH);
digitalWrite(6,HIGH);
digitalWrite(7,LOW);
digitalWrite(8,LOW);
digitalWrite(9,LOW);
}
if(analog_input  > 3430 && analog_input  < 3920)
{
digitalWrite(0,HIGH);
digitalWrite(1,HIGH);
digitalWrite(2,HIGH);
digitalWrite(3,HIGH);
digitalWrite(4,HIGH);
digitalWrite(5,HIGH);
digitalWrite(6,HIGH);
digitalWrite(7,HIGH);
digitalWrite(8,LOW);
digitalWrite(9,LOW);
}

if(analog_input  > 3920 && analog_input  < 4410)
{
digitalWrite(0,HIGH);
digitalWrite(1,HIGH);
digitalWrite(2,HIGH);
digitalWrite(3,HIGH);
digitalWrite(4,HIGH);
digitalWrite(5,HIGH);
digitalWrite(6,HIGH);
digitalWrite(7,HIGH);
digitalWrite(8,HIGH);
digitalWrite(9,LOW);
}
if(analog_input  > 4410)
{
digitalWrite(0,HIGH);
digitalWrite(1,HIGH);
digitalWrite(2,HIGH);
digitalWrite(3,HIGH);
digitalWrite(4,HIGH);
digitalWrite(5,HIGH);
digitalWrite(6,HIGH);
digitalWrite(7,HIGH);
digitalWrite(8,HIGH);
digitalWrite(9,HIGH);
}
}