fix: correct SERIAL definition to use a more concise representation

JakubAndrysek · JakubAndrysek · commit 232f7b288077 · 2025-10-15T13:48:22.000+02:00
diff --git a/cores/esp32/Arduino.h b/cores/esp32/Arduino.h
@@ -50,7 +50,7 @@
 #define RAD_TO_DEG 57.295779513082320876798154814105
 #define EULER      2.718281828459045235360287471352
 
-#define SERIAL  0x00
+#define SERIAL  0x0
 #define DISPLAY 0x1
 
 #define LSBFIRST 0
