diff --git a/platformio.ini b/platformio.ini
index 4e97789..9c59ee7 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -7,12 +7,29 @@
 ;
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
+[common_env_data]
+build_flags =
+    -D BUILD_ENV_NAME=$PIOENV
+    -D BUILD_PLATFORM=$PIOPLATFORM
+    -D BUILD_TIME=$UNIX_TIME
+    -D CORE_DEBUG_LEVEL=3
 
-[env:espwroom32]
+[env:generic_espwroom32]
 platform = espressif32
 board = nodemcu-32s
 framework = arduino
 upload_port = COM4
-platform_packages = platformio/framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32.git
+platform_packages = platformio/framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32.git#2.0.14
 monitor_speed = 115200
-build_flags = -DCORE_DEBUG_LEVEL=3
+build_flags =
+    ${common_env_data.build_flags}
+
+[env:xiao_esp32s3]
+platform = espressif32
+board = seeed_xiao_esp32s3
+framework = arduino
+upload_port = /dev/cu.usbmodem2101
+platform_packages = platformio/framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32.git#2.0.14
+monitor_speed = 115200
+build_flags =
+    ${common_env_data.build_flags}
diff --git a/src/config.h b/src/config.h
index d1cb6c3..207b703 100644
--- a/src/config.h
+++ b/src/config.h
@@ -1,9 +1,30 @@
 #ifndef OPENESPRESSOPROFILER_CONFIG_H
 #define OPENESPRESSOPROFILER_CONFIG_H
 
+#include <Arduino.h>
+
+#ifndef BUILD_ENV_NAME
+    #error "Add -D BUILD_ENV_NAME=$PIOENV to platformio.ini build_flags"
+#else
+    #define generic_espwroom32 101
+    #define xiao_esp32s3 102
+#endif
+
+#if BUILD_ENV_NAME==generic_espwroom32
 #define LED_PIN 2
+#define INVERT_LED false
 #define PRESSURE_PIN 32
 
+#elif BUILD_ENV_NAME==xiao_esp32s3
+#define LED_PIN LED_BUILTIN
+#define INVERT_LED true
+#define PRESSURE_PIN A1
+
+#else
+#error "BUILD_ENV_NAME NOT RECOGNIZED"
+#endif
+
+
 #define R1_OHMS 10000
 #define R2_OHMS 15000
 
diff --git a/src/main.cpp b/src/main.cpp
index 4d22d83..2ef01e5 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -143,7 +143,7 @@ void loop() {
         Serial.println("ping");
         lastPoll = now;
 
-        digitalWrite(LED_PIN, deviceConnected);
+        digitalWrite(LED_PIN, INVERT_LED ^ deviceConnected);
 
         if (PRESSURE != nullptr) {
             int16_t pressure = readPressure();