Week 4

week4-2/week4-2.ino

@@ -0,0 +1,21 @@
+const int LED[] = {11, 10, 9, 8, 7, 6, 5, 4};
+
+void setup() {
+  for (int i = 0; i < 9; i++) {
+    pinMode(LED[i], OUTPUT);
+    digitalWrite(LED[i], HIGH);
+  }
+}
+
+void loop() {
+  for (int i = 0; i < 9; i++) {
+    digitalWrite(LED[i], LOW);
+    delay(100);
+    digitalWrite(LED[i-2], HIGH);
+  }
+  for (int i = 0; i < 8; i++) {
+    digitalWrite(LED[6-i], LOW);
+    delay(100);
+    digitalWrite(LED[8-i], HIGH);
+  }
+}