Week 4

week4-1/week4-1.ino

@@ -0,0 +1,17 @@
+const int LED[] = {11, 10, 9, 8, 7, 6, 5, 4};
+
+void setup() {
+  for (int i = 0; i < 8; i++) {
+    pinMode(LED[i], OUTPUT);
+    digitalWrite(LED[i], HIGH);
+  }
+}
+
+void loop() {
+  static bool clk = 0;
+  for (int i = 0; i < 8; i++) {
+    digitalWrite(LED[i], i % 2 == clk);
+  }
+  delay(250);
+  clk = !clk;
+}