diff --git a/led_on_off.ino b/led_on_off.ino
new file mode 100644
index 0000000000000000000000000000000000000000..50a38604f260e26d575dc6acf124e6a1488d6103
--- /dev/null
+++ b/led_on_off.ino
@@ -0,0 +1,12 @@
+void setup()
+{
+  pinMode(13, OUTPUT);
+}
+
+void loop()
+{
+  digitalWrite(13, HIGH);
+  delay(1000); // Wait for 1000 millisecond(s)
+  digitalWrite(13, LOW);
+  delay(1000); // Wait for 1000 millisecond(s)
+} 
\ No newline at end of file