Increase delay between each Serial.write()

Author: bigdinotech

cores/arduino/CDCSerialClass.cpp

@@ -30,7 +30,7 @@
 #include "wiring_digital.h"
 #include "variant.h"
 
-#define CDCACM_FIXED_DELAY     64
+#define CDCACM_FIXED_DELAY     120
 
 extern void CDCSerial_Handler(void);
 extern void serialEventRun1(void) __attribute__((weak));