Boot without serial connected

user_setups/esp32c3/2424S012.ini

@@ -28,6 +28,7 @@ build_flags =
     -D TFT_DC=2
     -D TFT_CS=10
     -D TFT_BCKL=3
+    -D SERIAL_SPEED=-1 ;otherwise requires serial term to boot first time
 
 lib_deps =
     ${arduino_esp32s3_v2.lib_deps}