diff --git a/examples/04.Communication/PhysicalPixel/PhysicalPixel.ino b/examples/04.Communication/PhysicalPixel/PhysicalPixel.ino
index 1582118..dba0e37 100644
--- a/examples/04.Communication/PhysicalPixel/PhysicalPixel.ino
+++ b/examples/04.Communication/PhysicalPixel/PhysicalPixel.ino
@@ -21,7 +21,7 @@
https://www.arduino.cc/en/Tutorial/BuiltInExamples/PhysicalPixel
*/
-const int ledPin = 13; // the pin that the LED is attached to
+const int ledPin = LED_BUILTIN; // the pin that the LED is attached to
int incomingByte; // a variable to read incoming serial data into
void setup() {
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