Как сделать мигающее диоды на Ардуино (UNO)

Вот скетч void setup() { pinMode(2, OUTPUT); pinMode(3, OUTPUT); pinMode(4, OUTPUT); pinMode(5, OUTPUT); pinMode(6, OUTPUT); pinMode(7, OUTPUT); } void loop() { digitalWrite(2, HIGH); delay(500); digitalWrite(2, LOW); digitalWrite(3, HIGH); delay(500); digitalWrite(3, LOW); digitalWrite(4, HIGH); delay(500); digitalWrite(4, LOW); digitalWrite(5, HIGH); delay(500); digitalWrite(5, LOW); digitalWrite(6, HIGH); delay(500); digitalWrite(6, LOW); digitalWrite(7, HIGH); delay(500); digitalWrite(7, LOW); digitalWrite(6, HIGH); delay(500); digitalWrite(6, LOW); digitalWrite(5, HIGH); delay(500); digitalWrite(5, LOW); digitalWrite(4, HIGH); delay(500); digitalWrite(4, LOW); digitalWrite(3, HIGH); delay(500); digitalWrite(3, LOW);