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Projects General Guidance
8 
const long interval = 100;  // 10 Hz
void setup ()
{
  setupExternalADC ();
  Serial.begin (9600); 
}

void loop ()
{
  static unsigned long previousMillis;
  unsigned long currentMillis = millis();
 
  if(currentMillis - previousMillis > interval) {
    previousMillis = currentMillis;   
  
    byte reading = readExternalADC ();
    Serial.print ("<");
    Serial.print (reading, HEX);
    Serial.println (">");  
  }
}

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