diff --git a/check_custom_build_flags_controllino.sh b/check_custom_build_flags_controllino.sh
new file mode 100755
index 0000000..c0411cc
--- /dev/null
+++ b/check_custom_build_flags_controllino.sh
@@ -0,0 +1,8 @@
+#! /bin/bash
+export FLAGS="$FLAGS -DCONTROLLINO"
+export FLAGS="$FLAGS -DCUSTOM_FIRMWARE_MAC=de:ad:be:ef:fe:07"
+CUSTOM_BUILD_FLAGS_FILE=custom-build-flags/build_flags_controllino.sh
+if [ -f $CUSTOM_BUILD_FLAGS_FILE ]; then
+    source $CUSTOM_BUILD_FLAGS_FILE
+fi
+ echo $FLAGS
diff --git a/check_custom_build_flags_due-5500.sh b/check_custom_build_flags_due-5500.sh
new file mode 100755
index 0000000..c03a0ac
--- /dev/null
+++ b/check_custom_build_flags_due-5500.sh
@@ -0,0 +1,8 @@
+#! /bin/bash
+export FLAGS="$FLAGS -DWiz5500"
+export FLAGS="$FLAGS -DARTNET_ENABLE"
+CUSTOM_BUILD_FLAGS_FILE=custom-build-flags/build_flags_due-5500.sh
+if [ -f $CUSTOM_BUILD_FLAGS_FILE ]; then
+    source $CUSTOM_BUILD_FLAGS_FILE
+fi
+ echo $FLAGS
diff --git a/check_custom_build_flags_due.sh b/check_custom_build_flags_due.sh
new file mode 100755
index 0000000..75bf199
--- /dev/null
+++ b/check_custom_build_flags_due.sh
@@ -0,0 +1,6 @@
+#! /bin/bash
+CUSTOM_BUILD_FLAGS_FILE=custom-build-flags/build_flags_due.sh
+if [ -f $CUSTOM_BUILD_FLAGS_FILE ]; then
+    source $CUSTOM_BUILD_FLAGS_FILE
+fi
+ echo $FLAGS
diff --git a/check_custom_build_flags_esp32.sh b/check_custom_build_flags_esp32.sh
new file mode 100755
index 0000000..093eabc
--- /dev/null
+++ b/check_custom_build_flags_esp32.sh
@@ -0,0 +1,6 @@
+#! /bin/bash
+CUSTOM_BUILD_FLAGS_FILE=custom-build-flags/build_flags_esp32.sh
+if [ -f $CUSTOM_BUILD_FLAGS_FILE ]; then
+    source $CUSTOM_BUILD_FLAGS_FILE
+fi
+ echo $FLAGS
diff --git a/check_custom_build_flags_esp8266.sh b/check_custom_build_flags_esp8266.sh
new file mode 100755
index 0000000..37f2331
--- /dev/null
+++ b/check_custom_build_flags_esp8266.sh
@@ -0,0 +1,6 @@
+#! /bin/bash
+CUSTOM_BUILD_FLAGS_FILE=custom-build-flags/build_flags_esp8266.sh
+if [ -f $CUSTOM_BUILD_FLAGS_FILE ]; then
+    source $CUSTOM_BUILD_FLAGS_FILE
+fi
+ echo $FLAGS
diff --git a/check_custom_build_flags_mega2560-net.sh b/check_custom_build_flags_mega2560-net.sh
new file mode 100755
index 0000000..af70285
--- /dev/null
+++ b/check_custom_build_flags_mega2560-net.sh
@@ -0,0 +1,6 @@
+#! /bin/bash
+CUSTOM_BUILD_FLAGS_FILE=custom-build-flags/build_flags_mega2560-net.sh
+if [ -f $CUSTOM_BUILD_FLAGS_FILE ]; then
+    source $CUSTOM_BUILD_FLAGS_FILE
+fi
+ echo $FLAGS
diff --git a/check_custom_build_flags_mega2560.sh b/check_custom_build_flags_mega2560.sh
new file mode 100755
index 0000000..acfe945
--- /dev/null
+++ b/check_custom_build_flags_mega2560.sh
@@ -0,0 +1,9 @@
+#! /bin/bash
+CUSTOM_BUILD_FLAGS_FILE="custom-build-flags/build_flags_mega2560.sh"
+#CUSTOM_BUILD_FLAGS_FILE="custom-build-flags/build_flags_$PIOENV.sh"
+#echo $PIOENV > custom-build-flags/1.txt
+#TODO: make one file for all envs
+if [ -f $CUSTOM_BUILD_FLAGS_FILE ]; then
+    source $CUSTOM_BUILD_FLAGS_FILE
+fi
+ echo $FLAGS
diff --git a/check_custom_build_flags_stm32.sh b/check_custom_build_flags_stm32.sh
new file mode 100755
index 0000000..6f9d7c2
--- /dev/null
+++ b/check_custom_build_flags_stm32.sh
@@ -0,0 +1,6 @@
+#! /bin/bash
+CUSTOM_BUILD_FLAGS_FILE=custom-build-flags/build_flags_stm32.sh
+if [ -f $CUSTOM_BUILD_FLAGS_FILE ]; then
+    source $CUSTOM_BUILD_FLAGS_FILE
+fi
+ echo $FLAGS
diff --git a/build_flags_template.sh b/custom-build-flags/build_flags_template.sh
similarity index 100%
rename from build_flags_template.sh
rename to custom-build-flags/build_flags_template.sh
diff --git a/platformio.ini b/platformio.ini
index d4bb7b5..7a4e33c 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -10,14 +10,14 @@
 [platformio]
 src_dir = lighthub
 env_default =
-    megaatmega2560
+;    megaatmega2560
 ;    megaatmega2560-net
 ;    due
 ;    esp8266
 ;    esp32
 ;    megaatmega2560-5500
 ;     due-5500
-;    controllino
+    controllino
 ;    stm32
 
 ;build_dir = !sh pioenvs.sh ${platformio.env_default}
@@ -30,7 +30,7 @@ platform = espressif32
 framework = arduino
 board = pico32
 lib_ldf_mode = chain+
-build_flags = !sh build_flags_esp32.sh
+build_flags = !bash check_custom_build_flags_esp32.sh
 lib_deps =
     https://github.com/anklimov/Arduino-Temperature-Control-Library.git
     https://github.com/anklimov/DS2482_OneWire
@@ -55,7 +55,7 @@ upload_protocol = stlink
 debug_tool = stlink
 extra_scripts = pre:!pre_stm32.sh
 ;lib_ldf_mode = chain+
-build_flags = !sh build_flags_stm32.sh
+build_flags = !bash check_custom_build_flags_stm32.sh
 lib_deps =
     DallasTemperature
     https://github.com/anklimov/aJson
@@ -78,7 +78,7 @@ platform = atmelsam
 framework = arduino
 board = due
 lib_ldf_mode = chain+
-build_flags = !sh build_flags_due.sh
+build_flags = !bash check_custom_build_flags_due.sh
 lib_deps =
     https://github.com/sebnil/DueFlashStorage
     https://github.com/anklimov/Arduino-Temperature-Control-Library.git
@@ -97,6 +97,7 @@ lib_deps =
     Adafruit Unified Sensor
     DHT sensor library
     https://github.com/arcao/Syslog.git
+    Streaming
 
 
 [env:megaatmega2560]
@@ -105,8 +106,10 @@ board = megaatmega2560
 ;upload_port = net:192.168.88.31:23
 framework = arduino
 ;lib_ldf_mode = chain+
-build_flags = !sh build_flags_mega2560.sh
+build_flags = !bash check_custom_build_flags_mega2560.sh
 lib_deps =
+    https://github.com/anklimov/Arduino-Temperature-Control-Library.git
+    https://github.com/anklimov/DS2482_OneWire
     https://github.com/anklimov/DmxSimple
     https://github.com/anklimov/httpClient
     https://github.com/anklimov/aJson
@@ -129,7 +132,7 @@ platform = espressif8266
 framework = arduino
 board = nodemcuv2
 lib_ldf_mode = chain+
-build_flags = !sh build_flags_esp8266.sh
+build_flags = !bash check_custom_build_flags_esp8266.sh
 lib_deps =
     https://github.com/anklimov/Arduino-Temperature-Control-Library.git
     https://github.com/anklimov/DS2482_OneWire
@@ -153,7 +156,7 @@ platform = atmelavr
 board = megaatmega2560
 framework = arduino
 upload_port = net:192.168.88.2:23000
-build_flags = !sh build_flags_mega2560-net.sh
+build_flags = !bash check_custom_build_flags_mega2560-net.sh
 ;lib_ldf_mode = chain+
 lib_deps =
     https://github.com/anklimov/Arduino-Temperature-Control-Library.git
@@ -180,8 +183,7 @@ platform = atmelsam
 framework = arduino
 board = due
 ;lib_ldf_mode = chain+
-build_flags = -D Wiz5500 -D ARTNET_ENABLE
-build_flags = !sh build_flags_due-5500.sh
+build_flags = !bash check_custom_build_flags_due-5500.sh
 lib_deps =
     https://github.com/sebnil/DueFlashStorage
     https://github.com/anklimov/Arduino-Temperature-Control-Library.git
@@ -207,8 +209,7 @@ platform = atmelavr
 board = megaatmega2560
 framework = arduino
 ;lib_ldf_mode = chain+
-build_flags = !echo -n "-DPIO_SRC_REV="$(git log --pretty=format:%h_%ad -1 --date=short)
-build_flags = -D CONTROLLINO -D CUSTOM_FIRMWARE_MAC=de:ad:be:ef:fe:07
+build_flags = !bash check_custom_build_flags_controllino.sh
 lib_deps =
     https://github.com/anklimov/Arduino-Temperature-Control-Library.git
     https://github.com/anklimov/DS2482_OneWire