diff --git a/platformio.ini b/platformio.ini
index 5549cc17..9128d50e 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -21,7 +21,7 @@ default_envs = nodemcuv2
 ; default_envs = esp8285_5CH_H801
 
 # Release binaries follow
-; default_envs = nodemcuv2, esp01, esp01_1m, esp32dev
+; default_envs = nodemcuv2, esp01, esp01_1m, esp32dev, custom_WS2801, custom_APA102, custom_LEDPIN_16, custom_LEDPIN_4
 
 [common]
 # ------------------------------------------------------------------------------
@@ -48,7 +48,7 @@ arduino_core_2_5_1 = espressif8266@2.1.1
 arduino_core_2_5_2 = espressif8266@2.2.3
 arduino_core_2_6_1 = espressif8266@2.3.0
 arduino_core_2_6_2 = espressif8266@2.3.1
-arduino_core_2_6_3 = espressif8266@2.3.2
+arduino_core_2_6_3 = espressif8266@2.3.3
 
 # Development platforms
 arduino_core_develop = https://github.com/platformio/platform-espressif8266#develop
@@ -61,8 +61,9 @@ platform_latest = ${common.arduino_core_2_6_3}
 # FLAGS: DEBUG
 #
 # ------------------------------------------------------------------------------
-debug_flags = -D DEBUG=1 -D WLED_DEBUG -DDEBUG_ESP_CORE -DDEBUG_ESP_WIFI -DDEBUG_ESP_HTTP_CLIENT -DDEBUG_ESP_HTTP_UPDATE -DDEBUG_ESP_HTTP_SERVER -DDEBUG_ESP_UPDATER -DDEBUG_ESP_OTA -DDEBUG_TLS_MEM
+debug_flags = -D DEBUG=1 -D WLED_DEBUG -DDEBUG_ESP_WIFI -DDEBUG_ESP_HTTP_CLIENT -DDEBUG_ESP_HTTP_UPDATE -DDEBUG_ESP_HTTP_SERVER -DDEBUG_ESP_UPDATER -DDEBUG_ESP_OTA -DDEBUG_TLS_MEM
 #if needed (for memleaks etc) also add; -DDEBUG_ESP_OOM -include "umm_malloc/umm_malloc_cfg.h"
+#-DDEBUG_ESP_CORE is not working right now 
 
 # ------------------------------------------------------------------------------
 # FLAGS: ldscript
@@ -88,7 +89,7 @@ debug_flags = -D DEBUG=1 -D WLED_DEBUG -DDEBUG_ESP_CORE -DDEBUG_ESP_WIFI -DDEBUG
 #     TLS_RSA_WITH_AES_256_CBC_SHA / AES256-SHA
 #  This reduces the OTA size with ~45KB, so it's especially useful on low memory boards (512k/1m).
 # ------------------------------------------------------------------------------
-build_flags = -g -w -DMQTT_MAX_PACKET_SIZE=1024 -DPIO_FRAMEWORK_ARDUINO_LWIP2_HIGHER_BANDWIDTH 
+build_flags = -g -w -DMQTT_MAX_PACKET_SIZE=1024 -DPIO_FRAMEWORK_ARDUINO_LWIP_HIGHER_BANDWIDTH 
   -DSECURE_CLIENT=SECURE_CLIENT_BEARSSL -DBEARSSL_SSL_BASIC
 build_flags_esp8266 = ${common.build_flags} -DESP8266
 build_flags_esp32   = ${common.build_flags} -DARDUINO_ARCH_ESP32
@@ -207,3 +208,31 @@ build_type = debug
 platform = ${common.platform_latest}
 board_build.ldscript = ${common.ldscript_4m1m}
 build_flags = ${common.build_flags_esp8266} ${common.debug_flags}
+
+# ------------------------------------------------------------------------------
+# custom board configurations
+# ------------------------------------------------------------------------------
+
+[env:custom_LEDPIN_4]
+board = d1_mini
+platform = ${common.platform_latest}
+board_build.ldscript = ${common.ldscript_4m1m}
+build_flags = ${common.build_flags_esp8266} -D LEDPIN=4 -D IRPIN=5
+
+[env:custom_LEDPIN_16]
+board = d1_mini
+platform = ${common.platform_latest}
+board_build.ldscript = ${common.ldscript_4m1m}
+build_flags = ${common.build_flags_esp8266} -D LEDPIN=16 
+
+[env:custom_APA102]
+board = d1_mini
+platform = ${common.platform_latest}
+board_build.ldscript = ${common.ldscript_4m1m}
+build_flags = ${common.build_flags_esp8266} -D USE_APA102
+
+[env:custom_WS2801]
+board = d1_mini
+platform = ${common.platform_latest}
+board_build.ldscript = ${common.ldscript_4m1m}
+build_flags = ${common.build_flags_esp8266} -D USE_WS2801
diff --git a/platformio_override.ini.example b/platformio_override.ini.example
index 09c30172..46119f15 100644
--- a/platformio_override.ini.example
+++ b/platformio_override.ini.example
@@ -14,4 +14,21 @@ build_flags = ${common.build_flags_esp8266}
   -D WLED_DISABLE_BLYNK
   -D WLED_DISABLE_CRONIXIE 
   -D WLED_DISABLE_HUESYNC 
-  -D WLED_DISABLE_INFRARED
\ No newline at end of file
+  -D WLED_DISABLE_INFRARED
+; PIN defines - uncomment and change, if needed:
+;   -D LEDPIN=2
+;   -D BTNPIN=0
+;   -D IR_PIN=4
+;   -D RLYPIN=12
+;   -D RLYMDE=1
+; digital LED strip types - uncomment only one ! - this will disable WS281x / SK681x support
+;   -D USE_APA102
+;   -D USE_WS2801
+;   -D USE_LPD8806
+; to drive analog LED strips (aka 5050), uncomment the following
+; PWM pins 5,12,13,15 are used with Magic Home LED Controller (default)
+;   -D WLED_USE_ANALOG_LEDS
+; for the H801 controler (PINs 15,13,12,14 (W2 = 04)) uncomment this
+;   -D WLED_USE_H801
+; and to enable channel 5 for RGBW-CT led strips this
+;   -D WLED_USE_5CH_LEDS