diff --git a/ESP32/platformio.ini b/ESP32/platformio.ini
index 36a3137..3344ba4 100644
--- a/ESP32/platformio.ini
+++ b/ESP32/platformio.ini
@@ -17,7 +17,7 @@ board_build.filesystem = littlefs
 lib_deps = greiman/SdFat@^2.1.2
 	adafruit/Adafruit NeoPixel
 	bblanchon/ArduinoJson@^7.0.4
-build_flags = -std=gnu++2a -DESP32=1 -ggdb3 -D_GLIBCXX_USE_C99 -DBOARD_HAS_PSRAM -mfix-esp32-psram-cache-issue -DCONFIG_SPIRAM_USE_MALLOC -DRGBW_PIXELS -fexceptions
+build_flags = -std=gnu++2a -DESP32=1 -ggdb3 -D_GLIBCXX_USE_C99 -DBOARD_HAS_PSRAM -mfix-esp32-psram-cache-issue -DCONFIG_SPIRAM_USE_MALLOC -DRGBW_PIXELS -fexceptions -DNEOPIXELS_PIN=25 -DTTY_SERIAL_TX=17 -DTTY_SERIAL_RX=18
 build_unflags = -std=gnu++11 -std=gnu++17
 extra_scripts = pre:prepare.py