diff --git a/platformio.ini b/platformio.ini
index 56feed5a..54605ba2 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -64,6 +64,7 @@ default_envs =
   esp32c3dev_4MB_max         ;; experimental
   esp32_4MB_V4_min           ;; experimental
   esp32_16MB_V4_max          ;; experimental
+  esp32_16MB_V4_max_debug    ;; experimental
   esp8266pro_16MB_min
   esp01_1MB_min 
 
@@ -920,7 +921,7 @@ build_flags = ${esp32_4MB_max_base.build_flags}
 extends = esp32_4MB_max_base
 build_flags = ${esp32_4MB_max_base.build_flags}
   -D WLED_RELEASE_NAME=esp32_4MB_max_debug
-  -D WLED_DEBUG
+  -D WLED_DEBUG -D SR_DEBUG
 monitor_filters = esp32_exception_decoder
 
 [env:esp32_4MB_all]
@@ -944,7 +945,7 @@ board_build.partitions = ${Board_ESP32_16MB.board_build.partitions}
 extends = esp32_4MB_max_base
 build_flags = ${esp32_4MB_max_base.build_flags}
   -D WLED_RELEASE_NAME=esp32_16MB_max_debug
-  -D WLED_DEBUG
+  -D WLED_DEBUG -D SR_DEBUG
 board = ${Board_ESP32_16MB.board}
 board_build.partitions = ${Board_ESP32_16MB.board_build.partitions}
 monitor_filters = esp32_exception_decoder
@@ -1128,6 +1129,17 @@ board_build.partitions = ${Board_ESP32_16MB.board_build.partitions}
   ; RAM:   [==        ]  24.8% (used 81316 bytes from 327680 bytes)
   ; Flash: [=======   ]  72.9% (used 1528253 bytes from 2097152 bytes)
 
+[env:esp32_16MB_V4_max_debug]
+extends = esp32_4MB_V4_max_base
+build_flags = ${esp32_4MB_V4_max_base.build_flags}
+  -D WLED_RELEASE_NAME=esp32_16MB_V4_max_debug
+  -D WLED_DEBUG -D SR_DEBUG
+  -D WLED_WATCHDOG_TIMEOUT=0 #-D WLED_DISABLE_BROWNOUT_DET
+  -D ARDUINO_USB_CDC_ON_BOOT=0 ; needed for arduino-esp32 >=2.0.4; avoids errors on startup
+board = ${Board_ESP32_16MB.board}
+board_build.partitions = ${Board_ESP32_16MB.board_build.partitions}
+monitor_filters = esp32_exception_decoder
+
 ;; experimental environment for boards with PSRAM (needs ESP-IDF 4.4.1). 
 [env:esp32_4MB_PSRAM_max]
 extends = esp32_4MB_V4_max_base