diff --git a/compiled/DUE_16u2_reflash/reflash16u2DUE.sh b/compiled/DUE_16u2_reflash/reflash16u2DUE.sh
new file mode 100644
index 0000000..58533db
--- /dev/null
+++ b/compiled/DUE_16u2_reflash/reflash16u2DUE.sh
@@ -0,0 +1 @@
+../tools/mac/tool-avrdude/avrdude -C ../tools/mac/tool-avrdude/avrdude.conf -c arduino -P /dev/cu.usbmodem1411 -b 19200 -p m16u2 -vvv -U flash:w:16u2.hex:i
diff --git a/compiled/due-5100/firmware.bin b/compiled/due-5100/firmware.bin
index cc57861..917a7ba 100644
Binary files a/compiled/due-5100/firmware.bin and b/compiled/due-5100/firmware.bin differ
diff --git a/compiled/due-5100/upload.sh b/compiled/due-5100/upload.sh
new file mode 100755
index 0000000..cde7707
--- /dev/null
+++ b/compiled/due-5100/upload.sh
@@ -0,0 +1,3 @@
+export PORT=cu.usbmodem1451
+echo . |  stty -f /dev/$PORT speed 1200
+../tools/mac/tool-bossac/bossac -U false -p $PORT -i -e -w -v -b firmware.bin -R 
\ No newline at end of file
diff --git a/compiled/due-5500/firmware.bin b/compiled/due-5500/firmware.bin
index e9e127e..693e380 100644
Binary files a/compiled/due-5500/firmware.bin and b/compiled/due-5500/firmware.bin differ
diff --git a/compiled/due-5500/upload.sh b/compiled/due-5500/upload.sh
new file mode 100755
index 0000000..f715ea6
--- /dev/null
+++ b/compiled/due-5500/upload.sh
@@ -0,0 +1,3 @@
+export PORT=cu.usbmodem1411
+echo . |  stty -f /dev/$PORT speed 1200
+../tools/mac/tool-bossac/bossac -U false -p $PORT -i -e -w -v -b firmware.bin -R 
\ No newline at end of file
diff --git a/compiled/lighthub21/firmware.bin b/compiled/lighthub21/firmware.bin
index b3fae20..efcec8a 100644
Binary files a/compiled/lighthub21/firmware.bin and b/compiled/lighthub21/firmware.bin differ
diff --git a/compiled/lighthub21/upload.sh b/compiled/lighthub21/upload.sh
new file mode 100755
index 0000000..cde7707
--- /dev/null
+++ b/compiled/lighthub21/upload.sh
@@ -0,0 +1,3 @@
+export PORT=cu.usbmodem1451
+echo . |  stty -f /dev/$PORT speed 1200
+../tools/mac/tool-bossac/bossac -U false -p $PORT -i -e -w -v -b firmware.bin -R 
\ No newline at end of file
diff --git a/compiled/mega2560slim-5100/firmware.hex b/compiled/mega2560slim-5100/firmware.hex
index 25a7baf..c39d5c2 100644
--- a/compiled/mega2560slim-5100/firmware.hex
+++ b/compiled/mega2560slim-5100/firmware.hex
@@ -109,8 +109,8 @@
 :1006C0002C584F46462C544F47474C4500656E7595
 :1006D0006D00666C6F617400322E312E300024681C
 :1006E0006F6D696500757074696D652C66726565FE
-:1006F0006865617000373038663531655F3230319A
-:10070000392D30362D3031004C6967687448756278
+:1006F0006865617000323066613432375F323031A4
+:10070000392D30362D3131004C6967687448756277
 :100710002000246E616D650072656164790020744B
 :10072000727920616761696E20696E20352073657A
 :10073000636F6E6473006661696C65642C2072631C
@@ -192,8 +192,8 @@
 :100BF000617A79686F6D652E7275000A436F6E6653
 :100C00006967207365727665723A000A282B295746
 :100C100041544348444F47003230313130334C0067
-:100C200020432B2B2076657273696F6E3A00373044
-:100C300038663531655F323031392D30362D3031FF
+:100C200020432B2B2076657273696F6E3A00323049
+:100C300066613432375F323031392D30362D313103
 :100C4000000A4C617A79686F6D652E7275204C6967
 :100C500067687448756220636F6E74726F6C6C6540
 :100C6000722000000020002300260029002C002F05
@@ -2551,7 +2551,7 @@
 :109F60000F910895CF93DF93CDB7DEB72C970FB63F
 :109F7000F894DEBF0FBECDBF1C821B821E821D82E5
 :109F80008FEF9FEF98878F838CE693E09A83898386
-:109F900086E490E09A8789871C861B8663E770E1D8
+:109F900088E490E09A8789871C861B8663E770E1D6
 :109FA0008DEB97E00E947B5B609113067091140625
 :109FB000CE0101960E946F346FEFCE0101960E9490
 :109FC000523363E670E18DEB97E00E947B5B2C9649
@@ -2669,9 +2669,9 @@
 :10A6C000BF90AF909F908F907F900895CF93DF932E
 :10A6D000CDB7DEB72C970FB6F894DEBF0FBECDBF57
 :10A6E00063E370E18DEB97E00E947B5B8DEB97E07D
-:10A6F0000E94455C86E490E00E9448778B37A1F584
+:10A6F0000E94455C88E490E00E9448778B37A1F582
 :10A700001C821B821E821D828FEF9FEF98878F8392
-:10A710008CE693E09A83898386E490E09A87898720
+:10A710008CE693E09A83898388E490E09A8789871E
 :10A720001C861B860E943D60CE0101960E94442A31
 :10A730009093140680931306892B19F466E170E157
 :10A7400015C06FE070E18DEB97E00E947B5B8DEBB5
diff --git a/compiled/mega2560slim-5100/upload.sh b/compiled/mega2560slim-5100/upload.sh
index b22f187..9dd7893 100755
--- a/compiled/mega2560slim-5100/upload.sh
+++ b/compiled/mega2560slim-5100/upload.sh
@@ -1 +1 @@
-../tools/mac/tool-avrdude/avrdude -C ../tools/mac/tool-avrdude/avrdude.conf -v -V -P /dev/cu.usbmodem1411 -patmega2560 -cwiring -b115200 -D -Uflash:w:firmware.hex:i
+../tools/mac/tool-avrdude/avrdude -C ../tools/mac/tool-avrdude/avrdude.conf -P /dev/cu.wchusbserial1450 -v -V  -patmega2560 -cwiring -b115200 -D -Uflash:w:firmware.hex:i
diff --git a/lighthub/main.cpp b/lighthub/main.cpp
index 7eddd99..2984084 100644
--- a/lighthub/main.cpp
+++ b/lighthub/main.cpp
@@ -1033,15 +1033,42 @@ int mqttConfigResp(char *as) {
     return 1;
 }
 
+#if defined(__SAM3X8E__)
+
+#define saveBufLen 16000
+void cmdFunctionSave(int arg_cnt, char **args)
+{
+  char* outBuf = (char*) malloc(saveBufLen); /* XXX: Dynamic size. */
+  if (outBuf == NULL)
+    {
+      return;
+    }
+  debugSerial<<F("Saving config to EEPROM..");
+  aJsonStringStream stringStream(NULL, outBuf, saveBufLen);
+  aJson.print(root, &stringStream);
+  int len = strlen(outBuf);
+  outBuf[len++]= EOF;
+  EEPROM.write(EEPROM_offset,(byte*) outBuf,len);
+
+  free (outBuf);
+  debugSerial<<F("Saved to EEPROM");
+}
+
+#else
 void cmdFunctionSave(int arg_cnt, char **args)
 {
     aJsonEEPROMStream jsonEEPROMStream = aJsonEEPROMStream(EEPROM_offset);
     debugSerial<<F("Saving config to EEPROM..");
+
     aJson.print(root, &jsonEEPROMStream);
     jsonEEPROMStream.putEOF();
+
+
     debugSerial<<F("Saved to EEPROM");
 }
 
+#endif
+
 void cmdFunctionIp(int arg_cnt, char **args)
 {
     IPAddress ip0(0, 0, 0, 0);
diff --git a/lighthub/modules/in_ccs811_hdc1080.cpp b/lighthub/modules/in_ccs811_hdc1080.cpp
index 4385c55..401ee29 100644
--- a/lighthub/modules/in_ccs811_hdc1080.cpp
+++ b/lighthub/modules/in_ccs811_hdc1080.cpp
@@ -44,11 +44,11 @@ CCS811ready = true;
 
 //returnCode = ccs811.setDriveMode(1);
 //printDriverError(returnCode);
-
+/*
 delay(2000);Poll();
 delay(2000);Poll();
 delay(2000);Poll();
-delay(2000);
+delay(2000); */
 return 1;
 }
 
diff --git a/lighthub/options.h b/lighthub/options.h
index ab076ce..e8ae21e 100644
--- a/lighthub/options.h
+++ b/lighthub/options.h
@@ -28,7 +28,8 @@
 #define OFFSET_MASK OFFSET_GW+4
 #define OFFSET_CONFIGSERVER OFFSET_MASK+4
 #define OFFSET_MQTT_PWD OFFSET_CONFIGSERVER+32
-#define EEPROM_offset OFFSET_MQTT_PWD+16
+#define EEPROM_offset_NotAlligned OFFSET_MQTT_PWD+16
+#define EEPROM_offset EEPROM_offset_NotAlligned + (4 -(EEPROM_offset_NotAlligned & 3))
 
 #ifndef INTERVAL_CHECK_INPUT
 #define INTERVAL_CHECK_INPUT  50
@@ -51,7 +52,7 @@
 #endif
 
 #ifndef MODBUS_DIMMER_PARAM
-#define MODBUS_DIMMER_PARAM SERIAL_8E1
+#define MODBUS_DIMMER_PARAM SERIAL_8N1
 #endif
 
 #define dimPar MODBUS_DIMMER_PARAM