diff --git a/.travis.yml b/.travis.yml
index 107b57e..b2c6f80 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -53,70 +53,16 @@ before_install:
       };
     elif [[ "$BOARD" == "multi4in1:STM32F1:multistm32f103c:debug_option=native" ]]; then
       buildReleaseFiles(){
-        printf "\n\e[33;1mBuilding multi-stm-erskytx-xn297dump-inv-usbdebug-v$MULTI_VERSION.bin\e[0m";
-        exitcode=0;
-        opt_enable CHECK_FOR_BOOTLOADER;
-        opt_disable $ALL_PROTOCOLS;
-        opt_add XN297DUMP_NRF24L01_INO;
-        opt_enable MULTI_STATUS;
-        opt_disable MULTI_TELEMETRY;
-        opt_enable INVERT_TELEMETRY;
-        buildMulti;
-        exitcode=$((exitcode+$?));
-        mv build/Multiprotocol.ino.bin ./binaries/multi-stm-erskytx-xn297dump-inv-usbdebug-v$MULTI_VERSION.bin;
-        printf "\n\e[33;1mBuilding multi-stm-opentx-xn297dump-inv-usbdebug-v$MULTI_VERSION.bin\e[0m";
-        opt_disable $ALL_PROTOCOLS;
-        opt_disable MULTI_STATUS;
-        opt_enable MULTI_TELEMETRY;
-        opt_enable INVERT_TELEMETRY;
-        buildMulti;
-        exitcode=$((exitcode+$?));
-        mv build/Multiprotocol.ino.bin ./binaries/multi-stm-opentx-xn297dump-inv-usbdebug-v$MULTI_VERSION.bin;
-        return $exitcode; };
+        build_release_stm32f1_native_debug;
+      };
     elif [[ "$BOARD" == "multi4in1:STM32F1:multistm32f103c:debug_option=ftdi" ]]; then
       buildReleaseFiles(){
-        printf "\n\e[33;1mBuilding multi-stm-erskytx-xn297dump-inv-ftdidebug-v$MULTI_VERSION.bin\e[0m";
-        exitcode=0;
-        opt_enable CHECK_FOR_BOOTLOADER;
-        opt_disable $ALL_PROTOCOLS;
-        opt_add XN297DUMP_NRF24L01_INO;
-        opt_enable MULTI_STATUS;
-        opt_disable MULTI_TELEMETRY;
-        opt_enable INVERT_TELEMETRY;
-        buildMulti;
-        exitcode=$((exitcode+$?));
-        mv build/Multiprotocol.ino.bin ./binaries/multi-stm-erskytx-xn297dump-inv-ftdidebug-v$MULTI_VERSION.bin;
-        printf "\n\e[33;1mBuilding multi-stm-opentx-xn297dump-inv-ftdidebug-v$MULTI_VERSION.bin\e[0m";
-        opt_disable $ALL_PROTOCOLS;
-        opt_disable MULTI_STATUS;
-        opt_enable MULTI_TELEMETRY;
-        opt_enable INVERT_TELEMETRY;
-        buildMulti;
-        exitcode=$((exitcode+$?));
-        mv build/Multiprotocol.ino.bin ./binaries/multi-stm-opentx-xn297dump-inv-ftdidebug-v$MULTI_VERSION.bin;
-        return $exitcode; };
+        build_release_stm32f1_serial_debug;
+      };
     elif [[ "$BOARD" == "multi4in1:STM32F1:multi5in1t18int" ]]; then
       buildReleaseFiles(){
-        printf "\n\e[33;1mBuilding multi-t18int-opentx-aetr-noinv-v$MULTI_VERSION.bin\e[0m";
-        opt_disable ENABLE_PPM;
-        opt_disable INVERT_TELEMETRY;
-        exitcode=0;
-        buildMulti;
-        exitcode=$((exitcode+$?));
-        mv build/Multiprotocol.ino.bin ./binaries/multi-t18int-opentx-aetr-noinv-v$MULTI_VERSION.bin;
-        printf "\n\e[33;1mBuilding multi-t18int-opentx-taer-noinv-v$MULTI_VERSION.bin\e[0m";
-        opt_replace AETR TAER;
-        exitcode=0;
-        buildMulti;
-        exitcode=$((exitcode+$?));
-        mv build/Multiprotocol.ino.bin ./binaries/multi-t18int-opentx-taer-noinv-v$MULTI_VERSION.bin;
-        printf "\n\e[33;1mBuilding multi-t18int-opentx-reta-noinv-v$MULTI_VERSION.bin\e[0m";
-        opt_replace TAER RETA;
-        exitcode=0;
-        buildMulti;
-        exitcode=$((exitcode+$?));
-        mv build/Multiprotocol.ino.bin ./binaries/multi-t18int-opentx-reta-noinv-v$MULTI_VERSION.bin;
-        return $exitcode; };
+        build_release_stm32f1_t18int;
+      };
     else
       buildReleaseFiles() { echo "No release files for this board."; };
     fi
@@ -182,11 +128,14 @@ before_script:
   - echo $ALL_PROTOCOLS
 
   # Declare all the installed modules
-  - if [[ "$BOARD" =~ "multi4in1:STM32F1:" ]]; then
-      ALL_RFMODULES=$(echo A7105_INSTALLED CYRF6936_INSTALLED CC2500_INSTALLED NRF24L01_INSTALLED SX1276_INSTALLED);
-    else
+  - if [[ "$BOARD" =~ "multi4in1:avr:multixmega32d4" ]]; then
+      ALL_RFMODULES=$(echo CYRF6936_INSTALLED);
+    elif [[ "$BOARD" =~ "multi4in1:avr:multiatmega328p:" ]]; then
       ALL_RFMODULES=$(echo A7105_INSTALLED CYRF6936_INSTALLED CC2500_INSTALLED NRF24L01_INSTALLED);
+    elif [[ "$BOARD" =~ "multi4in1:STM32F1:" ]]; then
+      ALL_RFMODULES=$(echo A7105_INSTALLED CYRF6936_INSTALLED CC2500_INSTALLED NRF24L01_INSTALLED SX1276_INSTALLED);
     fi
+  - echo $ALL_RFMODULES
 
   # Disable CHECK_FOR_BOOTLOADER when not needed
   - if [[ "$BOARD" == "multi4in1:avr:multiatmega328p:bootloader=none" ]]; then
diff --git a/buildroot/bin/build_release_stm32f1_native_debug b/buildroot/bin/build_release_stm32f1_native_debug
new file mode 100644
index 0000000..7ea3772
--- /dev/null
+++ b/buildroot/bin/build_release_stm32f1_native_debug
@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+exitcode=0;
+
+printf "\n\e[33;1mBuilding multi-stm-erskytx-xn297dump-inv-usbdebug-v$MULTI_VERSION.bin\e[0m";
+exitcode=0;
+opt_enable CHECK_FOR_BOOTLOADER;
+opt_disable $ALL_PROTOCOLS;
+opt_add XN297DUMP_NRF24L01_INO;
+opt_enable MULTI_STATUS;
+opt_disable MULTI_TELEMETRY;
+opt_enable INVERT_TELEMETRY;
+buildMulti;
+exitcode=$((exitcode+$?));
+mv build/Multiprotocol.ino.bin ./binaries/multi-stm-erskytx-xn297dump-inv-usbdebug-v$MULTI_VERSION.bin;
+
+printf "\n\e[33;1mBuilding multi-stm-opentx-xn297dump-inv-usbdebug-v$MULTI_VERSION.bin\e[0m";
+opt_disable $ALL_PROTOCOLS;
+opt_disable MULTI_STATUS;
+opt_enable MULTI_TELEMETRY;
+opt_enable INVERT_TELEMETRY;
+buildMulti;
+exitcode=$((exitcode+$?));
+mv build/Multiprotocol.ino.bin ./binaries/multi-stm-opentx-xn297dump-inv-usbdebug-v$MULTI_VERSION.bin;
+
+exit $exitcode;
diff --git a/buildroot/bin/build_release_stm32f1_no_debug b/buildroot/bin/build_release_stm32f1_no_debug
index 3e1b746..17c35ba 100644
--- a/buildroot/bin/build_release_stm32f1_no_debug
+++ b/buildroot/bin/build_release_stm32f1_no_debug
@@ -11,32 +11,38 @@ opt_disable MULTI_TELEMETRY;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-stm-erskytx-aetr-inv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-stm-erskytx-taer-inv-v$MULTI_VERSION.bin\e[0m";
 opt_replace AETR TAER;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-stm-erskytx-taer-inv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-stm-erskytx-reta-inv-v$MULTI_VERSION.bin\e[0m";
 opt_replace TAER RETA;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-stm-erskytx-reta-inv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-stm-erskytx-aetr-noinv-v$MULTI_VERSION.bin\e[0m";
 opt_replace RETA AETR;
 opt_disable INVERT_TELEMETRY;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-stm-erskytx-aetr-noinv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-stm-erskytx-taer-noinv-v$MULTI_VERSION.bin\e[0m";
 opt_replace AETR TAER;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-stm-erskytx-taer-noinv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-stm-erskytx-reta-noinv-v$MULTI_VERSION.bin\e[0m";
 opt_replace TAER RETA;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-stm-erskytx-reta-noinv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-stm-opentx-aetr-inv-v$MULTI_VERSION.bin\e[0m";
 opt_replace RETA AETR;
 opt_disable MULTI_STATUS;
@@ -45,32 +51,38 @@ opt_enable INVERT_TELEMETRY;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-stm-opentx-aetr-inv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-stm-opentx-taer-inv-v$MULTI_VERSION.bin\e[0m";
 opt_replace AETR TAER;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-stm-opentx-taer-inv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-stm-opentx-reta-inv-v$MULTI_VERSION.bin\e[0m";
 opt_replace TAER RETA;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-stm-opentx-reta-inv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-stm-opentx-aetr-noinv-v$MULTI_VERSION.bin\e[0m";
 opt_replace RETA AETR;
 opt_disable INVERT_TELEMETRY;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-stm-opentx-aetr-noinv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-stm-opentx-taer-noinv-v$MULTI_VERSION.bin\e[0m";
 opt_replace AETR TAER;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-stm-opentx-taer-noinv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-stm-opentx-reta-noinv-v$MULTI_VERSION.bin\e[0m";
 opt_replace TAER RETA;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-stm-opentx-reta-noinv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-cc2500-opentx-aetr-noinv-v$MULTI_VERSION.bin\e[0m";
 opt_replace RETA AETR;
 opt_disable A7105_INSTALLED;
@@ -79,16 +91,19 @@ opt_disable NRF24L01_INSTALLED;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-cc2500-opentx-aetr-noinv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-cc2500-opentx-taer-noinv-v$MULTI_VERSION.bin\e[0m";
 opt_replace AETR TAER;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-cc2500-opentx-taer-noinv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-cc2500-opentx-reta-noinv-v$MULTI_VERSION.bin\e[0m";
 opt_replace TAER RETA;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-cc2500-opentx-reta-noinv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-stm-ppm-aetr-noinv-v$MULTI_VERSION.bin\e[0m";
 opt_enable A7105_INSTALLED;
 opt_enable CYRF6936_INSTALLED;
@@ -102,11 +117,13 @@ opt_set NBR_BANKS 5;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-stm-ppm-aetr-noinv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-stm-ppm-taer-noinv-v$MULTI_VERSION.bin\e[0m";
 opt_replace AETR TAER;
 buildMulti;
 exitcode=$((exitcode+$?));
 mv build/Multiprotocol.ino.bin ./binaries/multi-stm-ppm-taer-noinv-v$MULTI_VERSION.bin;
+
 printf "\n\e[33;1mBuilding multi-stm-ppm-reta-noinv-v$MULTI_VERSION.bin\e[0m";
 opt_replace TAER RETA;
 buildMulti;
diff --git a/buildroot/bin/build_release_stm32f1_serial_debug b/buildroot/bin/build_release_stm32f1_serial_debug
new file mode 100644
index 0000000..2942d75
--- /dev/null
+++ b/buildroot/bin/build_release_stm32f1_serial_debug
@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+exitcode=0;
+
+printf "\n\e[33;1mBuilding multi-stm-erskytx-xn297dump-inv-ftdidebug-v$MULTI_VERSION.bin\e[0m";
+exitcode=0;
+opt_enable CHECK_FOR_BOOTLOADER;
+opt_disable $ALL_PROTOCOLS;
+opt_add XN297DUMP_NRF24L01_INO;
+opt_enable MULTI_STATUS;
+opt_disable MULTI_TELEMETRY;
+opt_enable INVERT_TELEMETRY;
+buildMulti;
+exitcode=$((exitcode+$?));
+mv build/Multiprotocol.ino.bin ./binaries/multi-stm-erskytx-xn297dump-inv-ftdidebug-v$MULTI_VERSION.bin;
+
+printf "\n\e[33;1mBuilding multi-stm-opentx-xn297dump-inv-ftdidebug-v$MULTI_VERSION.bin\e[0m";
+opt_disable $ALL_PROTOCOLS;
+opt_disable MULTI_STATUS;
+opt_enable MULTI_TELEMETRY;
+opt_enable INVERT_TELEMETRY;
+buildMulti;
+exitcode=$((exitcode+$?));
+mv build/Multiprotocol.ino.bin ./binaries/multi-stm-opentx-xn297dump-inv-ftdidebug-v$MULTI_VERSION.bin;
+
+exit $exitcode;
diff --git a/buildroot/bin/build_release_stm32f1_t18int b/buildroot/bin/build_release_stm32f1_t18int
new file mode 100644
index 0000000..24c3498
--- /dev/null
+++ b/buildroot/bin/build_release_stm32f1_t18int
@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+exitcode=0;
+
+printf "\n\e[33;1mBuilding multi-t18int-opentx-aetr-noinv-v$MULTI_VERSION.bin\e[0m";
+opt_disable ENABLE_PPM;
+opt_disable INVERT_TELEMETRY;
+exitcode=0;
+buildMulti;
+exitcode=$((exitcode+$?));
+mv build/Multiprotocol.ino.bin ./binaries/multi-t18int-opentx-aetr-noinv-v$MULTI_VERSION.bin;
+
+printf "\n\e[33;1mBuilding multi-t18int-opentx-taer-noinv-v$MULTI_VERSION.bin\e[0m";
+opt_replace AETR TAER;
+exitcode=0;
+buildMulti;
+exitcode=$((exitcode+$?));
+mv build/Multiprotocol.ino.bin ./binaries/multi-t18int-opentx-taer-noinv-v$MULTI_VERSION.bin;
+
+printf "\n\e[33;1mBuilding multi-t18int-opentx-reta-noinv-v$MULTI_VERSION.bin\e[0m";
+opt_replace TAER RETA;
+exitcode=0;
+buildMulti;
+exitcode=$((exitcode+$?));
+mv build/Multiprotocol.ino.bin ./binaries/multi-t18int-opentx-reta-noinv-v$MULTI_VERSION.bin;
+return $exitcode; 
+exit $exitcode;