changed BUILTIN_LED to LED_BUILTIN

Author: tuxedo0801

libraries/esp8266/examples/Blink/Blink.ino

@@ -6,19 +6,19 @@
  The blue LED on the ESP-01 module is connected to GPIO1 
  (which is also the TXD pin; so we cannot use Serial.print() at the same time)
  
- Note that this sketch uses BUILTIN_LED to find the pin with the internal LED
+ Note that this sketch uses LED_BUILTIN to find the pin with the internal LED
 */
 
 void setup() {
-  pinMode(BUILTIN_LED, OUTPUT);     // Initialize the BUILTIN_LED pin as an output
+  pinMode(LED_BUILTIN, OUTPUT);     // Initialize the LED_BUILTIN pin as an output
 }
 
 // the loop function runs over and over again forever
 void loop() {
-  digitalWrite(BUILTIN_LED, LOW);   // Turn the LED on (Note that LOW is the voltage level
+  digitalWrite(LED_BUILTIN, LOW);   // Turn the LED on (Note that LOW is the voltage level
                                     // but actually the LED is on; this is because 
                                     // it is acive low on the ESP-01)
   delay(1000);                      // Wait for a second
-  digitalWrite(BUILTIN_LED, HIGH);  // Turn the LED off by making the voltage HIGH
+  digitalWrite(LED_BUILTIN, HIGH);  // Turn the LED off by making the voltage HIGH
   delay(2000);                      // Wait for two seconds (to demonstrate the active low LED)
 }