diff --git a/00_esp_blink/00_esp_blink.ino b/00_esp_blink/00_esp_blink.ino
new file mode 100644
index 0000000..6baf2a5
--- /dev/null
+++ b/00_esp_blink/00_esp_blink.ino
@@ -0,0 +1,12 @@
+#define LED_BUILTIN 2
+
+void setup() {
+  pinMode(LED_BUILTIN, OUTPUT);
+}
+
+void loop() {
+  digitalWrite(LED_BUILTIN, HIGH);  
+  delay(1000);                      
+  digitalWrite(LED_BUILTIN, LOW);   
+  delay(1000);                      
+}
diff --git a/00_esp_blink/Blink.txt b/00_esp_blink/Blink.txt
new file mode 100644
index 0000000..0626334
--- /dev/null
+++ b/00_esp_blink/Blink.txt
@@ -0,0 +1 @@
+Turn an LED on and off. 
\ No newline at end of file