diff --git a/ESP32/esp32.h b/ESP32/esp32.h
index 750c667..dbd54a1 100644
--- a/ESP32/esp32.h
+++ b/ESP32/esp32.h
@@ -15,8 +15,8 @@
 
 // #define NEOPIXELS_PIN 24
 
-// #define HEARTBEAT_PIN LED_BUILTIN
-#define HEARTBEAT_PIN 25
+#define HEARTBEAT_PIN LED_BUILTIN
+// #define HEARTBEAT_PIN 25
 
 // #define TTY_SERIAL_RX 16
 // #define TTY_SERIAL_TX 17
diff --git a/ESP32/platformio.ini b/ESP32/platformio.ini
index 890e60c..091118f 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@^6.19.4
-build_flags = -std=gnu++2a -DESP32=1 -ggdb3 -D_GLIBCXX_USE_C99 -DBOARD_HAS_PSRAM -mfix-esp32-psram-cache-issue -DCONFIG_SPIRAM_USE_MALLOC
+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
 build_unflags = -std=gnu++11 -std=gnu++17
 extra_scripts = pre:prepare.py
 
@@ -77,6 +77,6 @@ board_build.filesystem = littlefs
 lib_deps = greiman/SdFat@^2.1.2
         adafruit/Adafruit NeoPixel
         bblanchon/ArduinoJson@^6.19.4
-build_flags = -std=gnu++17 -DESP32=1 -ggdb3 -D_GLIBCXX_USE_C99 -DBOARD_HAS_PSRAM -mfix-esp32-psram-cache-issue -DCONFIG_SPIRAM_USE_MALLOC
+build_flags = -std=gnu++17 -DESP32=1 -ggdb3 -D_GLIBCXX_USE_C99 -DBOARD_HAS_PSRAM -mfix-esp32-psram-cache-issue -DCONFIG_SPIRAM_USE_MALLOC -DTTY_SERIAL_TX=4 -DTTY_SERIAL_RX=5 -DNEOPIXELS_PIN=40
 build_unflags = -std=gnu++11
 extra_scripts = pre:prepare.py