// sketch 04_11_analog void setup() { Serial.begin(9600); while (! Serial) {}; Serial.println("Starting Test"); long startTime = millis(); // test code here long i = 0; for (i = 0; i < 1000000; i ++) { analogRead(A0); } // end of test code long endTime = millis(); Serial.println("Finished Test"); Serial.print("Seconds taken: "); Serial.println((endTime - startTime) / 1000l); } void loop() { }