void setup() { pinMode(15, OUTPUT); pinMode(7, OUTPUT); pinMode(9, OUTPUT); pinMode(6, OUTPUT); pinMode(10, OUTPUT); /* digitalWrite(15, HIGH); delay(500/16); digitalWrite(15, LOW); delay(500/16); */ digitalWrite(7, HIGH); } #define MIDDLE_LED_OFF HIGH #define MIDDLE_LED_ON LOW void loop() { digitalWrite(6, LOW); digitalWrite(9, MIDDLE_LED_ON); digitalWrite(10, LOW); delay(500); digitalWrite(6, HIGH); digitalWrite(9, MIDDLE_LED_OFF); digitalWrite(10, HIGH); delay(500); digitalWrite(6, LOW); digitalWrite(9, MIDDLE_LED_ON); digitalWrite(10, LOW); delay(500); digitalWrite(6, HIGH); digitalWrite(9, MIDDLE_LED_OFF); digitalWrite(10, HIGH); delay(500); digitalWrite(6, LOW); digitalWrite(9, MIDDLE_LED_ON); digitalWrite(10, LOW); delay(500); digitalWrite(6, HIGH); digitalWrite(9, MIDDLE_LED_OFF); digitalWrite(10, LOW); delay(500); digitalWrite(6, LOW); digitalWrite(9, MIDDLE_LED_ON); digitalWrite(10, LOW); delay(500); digitalWrite(6, LOW); digitalWrite(9, MIDDLE_LED_OFF); digitalWrite(10, HIGH); delay(500); digitalWrite(6, LOW); digitalWrite(9, MIDDLE_LED_ON); digitalWrite(10, LOW); delay(500); digitalWrite(6, HIGH); digitalWrite(9, MIDDLE_LED_ON); digitalWrite(10, HIGH); delay(500); }