(by robrock) arduino code that will get electronic flame weeder ignition/electronic LP solenoid on/off sparking when the temperature measured by the thermocouple falls beneath a set threshold

sparky.c

const int numReadings = 10;

int readings[numReadings];      
int index = 0;                  
int total = 0;                  
int average = 0;                
int led = 9;
int inputPin = A0;

void setup()
{
 Serial.begin(9600);                   
  for (int thisReading = 0; thisReading < numReadings; thisReading++)
    readings[thisReading] = 0;          
}

void loop() {
  total= total - readings[index];         
  readings[index] = analogRead(inputPin); 
  total= total + readings[index];       
  index = index + 1;                    
if (index >= numReadings)              
    index = 0;                           
  average = total / numReadings;         
Serial.println(average);   
  delay(1);        
  if (average > 30) {
    digitalWrite (led, LOW);
  }
  else if (average < 30) {
    digitalWrite(led, HIGH);
    delay(100);
    digitalWrite(led, LOW);
    delay(100);
    digitalWrite(led, HIGH);
    delay(100);
    digitalWrite(led, LOW);
    delay(100);
    digitalWrite(led, HIGH);
    delay(100);
    digitalWrite(led, LOW);
    delay(1000);
    }
 }