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Code

Use BUILTIN_LED

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probonopd 2015-06-21 21:27:27 +02:00 committed by Ivan Grokhotkov
parent 2969b0b7a3
commit 496fee1a15
1 changed files with 7 additions and 7 deletions
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14
libraries/esp8266/examples/BlinkWithoutDelay/BlinkWithoutDelay.ino
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@ -3,11 +3,12 @@
Blink the blue LED on the ESP-01 module
Based on the Arduino Blink without Delay example
This example code is in the public domain
*/
const int ledPin = 1; // 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
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
*/
int ledState = LOW;
@ -15,7 +16,7 @@ unsigned long previousMillis = 0;
const long interval = 1000;
void setup() {
pinMode(ledPin, OUTPUT);
pinMode(BUILTIN_LED, OUTPUT);
}
void loop()
@ -27,7 +28,6 @@ void loop()
ledState = HIGH; // Note that this switches the LED *off*
else
ledState = LOW; // Note that this switches the LED *on*
digitalWrite(ledPin, ledState);
digitalWrite(BUILTIN_LED, ledState);
}
}