diff --git a/platformio_esp82xx_base.ini b/platformio_esp82xx_base.ini
index 15e2924bb..7daee8ef6 100644
--- a/platformio_esp82xx_base.ini
+++ b/platformio_esp82xx_base.ini
@@ -157,7 +157,7 @@ build_flags               = ${esp82xx_1M_OTA.build_flags} -DESP8285
 [esp8266_2M256]
 extends                   = esp82xx_common
 board                     = esp12e
-board_build.flash_mode    = dio
+board_build.flash_mode    = dout
 board_upload.maximum_size = 1044464
 build_flags               = -Wl,-Tesp8266.flash.2m256.ld
                             ${esp82xx_common.build_flags}
@@ -165,7 +165,7 @@ build_flags               = -Wl,-Tesp8266.flash.2m256.ld
 [espWroom2M]
 extends                   = esp82xx_common
 board                     = esp12e
-board_build.flash_mode    = dio
+board_build.flash_mode    = dout
 board_upload.maximum_size = 1044464
 build_flags               = -Wl,-Tesp8266.flash.2m.ld
                             ${esp82xx_common.build_flags}
@@ -186,7 +186,7 @@ build_flags               = -Wl,-Tesp8266.flash.2m256.ld
 [esp8266_4M1M]
 extends                   = esp82xx_common
 board                     = esp12e
-board_build.flash_mode    = dio
+board_build.flash_mode    = dout
 board_upload.maximum_size = 1044464
 build_flags               = -Wl,-Tesp8266.flash.4m1m.ld
                             ${esp82xx_common.build_flags}
@@ -194,7 +194,7 @@ build_flags               = -Wl,-Tesp8266.flash.4m1m.ld
 [esp8266_4M2M]
 extends                   = esp82xx_common
 board                     = esp12e
-board_build.flash_mode    = dio
+board_build.flash_mode    = dout
 board_upload.maximum_size = 1044464
 build_flags               = -Wl,-Tesp8266.flash.4m2m.ld
                             ${esp82xx_common.build_flags}
@@ -212,7 +212,7 @@ build_flags               = -Wl,-Tesp8266.flash.4m2m.ld
 [esp8266_16M]
 extends                   = esp82xx_common
 board                     = esp12e
-board_build.flash_mode    = dio
+board_build.flash_mode    = dout
 board_upload.maximum_size = 1044464
 build_flags               = -Wl,-Tesp8266.flash.16m14m.ld 
                             -DSPIFFS_MAX_OPEN_FILES=20
diff --git a/src/WebServer_I2C_Scanner.ino b/src/WebServer_I2C_Scanner.ino
index 2a0ec284b..9694fc819 100644
--- a/src/WebServer_I2C_Scanner.ino
+++ b/src/WebServer_I2C_Scanner.ino
@@ -108,7 +108,7 @@ String getKnownI2Cdevice(byte address) {
       result =  F("PCF8574A,OLED");
       break;
     case 0x40:
-      result =  F("SI7021,HTU21D,INA219,PCA9685");
+      result =  F("SI7021,HTU21D,INA219,PCA9685,HDC1080");
       break;
     case 0x41:
     case 0x42: