diff --git a/platformio.ini b/platformio.ini
index d93ecfea9..675d7c891 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -21,6 +21,7 @@ src_dir = sonoff
 ;env_default = sonoff-IT
 ;env_default = sonoff-NL
 ;env_default = sonoff-PL
+;env_default = sonoff-PT
 ;env_default = sonoff-RU
 ;env_default = sonoff-CN
 
@@ -122,6 +123,8 @@ extra_scripts = pio/strip-floats.py
 monitor_baud = 115200
 
 [env:sonoff-HU]
+;platform = espressif8266@1.5.0  ; v2.3.0
+;platform = espressif8266@1.6.0  ; v2.4.0
 platform = espressif8266
 framework = arduino
 board = esp01_1m
@@ -175,6 +178,20 @@ extra_scripts = pio/strip-floats.py
 ; *** Serial Monitor options
 monitor_baud = 115200
 
+[env:sonoff-PT]
+;platform = espressif8266@1.5.0  ; v2.3.0
+;platform = espressif8266@1.6.0  ; v2.4.0
+platform = espressif8266
+framework = arduino
+board = esp01_1m
+board_flash_mode = dout
+build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMY_LANGUAGE=pt-PT
+lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
+
+; *** Serial Monitor options
+monitor_baud = 115200
+
 [env:sonoff-RU]
 ;platform = espressif8266@1.5.0  ; v2.3.0
 ;platform = espressif8266@1.6.0  ; v2.4.0
diff --git a/sonoff/_releasenotes.ino b/sonoff/_releasenotes.ino
index 778bf4e0f..b6c50343b 100644
--- a/sonoff/_releasenotes.ino
+++ b/sonoff/_releasenotes.ino
@@ -1,5 +1,6 @@
 /* 5.12.0d
  * Prep for optional MQTT drivers by separating mqtt code from sonoff.ino to file xdrv_00_mqtt.ino
+ * Add Portuguese language file
  * Add compiler check for stable lwIP version v1.4 (#1940)
  * Add diacritics to Polish language file (#2005)
  * Add Hungarian language file (#2024)
diff --git a/sonoff/language/pt-PT.h b/sonoff/language/pt-PT.h
new file mode 100644
index 000000000..cf4b7ee09
--- /dev/null
+++ b/sonoff/language/pt-PT.h
@@ -0,0 +1,457 @@
+/*
+  pt-PT.h - localization for Portuguese - Portugal for Sonoff-Tasmota
+
+  Copyright (C) 2018  Theo Arends and Paulo Paiva
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _LANGUAGE_PT_PT_H_
+#define _LANGUAGE_PT_PT_H_
+
+/*************************** ATTENTION *******************************\
+ *
+ * Due to memory constraints only UTF-8 is supported.
+ * To save code space keep text as short as possible.
+ * Time and Date provided by SDK can not be localized (yet).
+ * Use online command StateText to translate ON, OFF, HOLD and TOGGLE.
+ * Use online command Prefix to translate cmnd, stat and tele.
+ *
+\*********************************************************************/
+
+//#define LANGUAGE_MODULE_NAME         // Enable to display "Module Generic" (ie Spanish), Disable to display "Generic Module" (ie English)
+
+// "2017-03-07T11:08:02" - ISO8601:2004
+#define D_YEAR_MONTH_SEPARATOR "-"
+#define D_MONTH_DAY_SEPARATOR "-"
+#define D_DATE_TIME_SEPARATOR "T"
+#define D_HOUR_MINUTE_SEPARATOR ":"
+#define D_MINUTE_SECOND_SEPARATOR ":"
+
+#define D_DAY3LIST "DomSegTerQuaQuiSexSab"
+#define D_MONTH3LIST "JanFevMarAbrMaiJunJulAgoSepOutNovDez"
+
+// Non JSON decimal separator
+#define D_DECIMAL_SEPARATOR "."
+
+// Common
+#define D_ADMIN "Admin"
+#define D_AIR_QUALITY "Qualidade do Ar"
+#define D_AP "AP"                    // Ponto de Acesso
+#define D_AS "como"
+#define D_AUTO "AUTO"
+#define D_BLINK "Piscar"
+#define D_BLINKOFF "Piscar desligado"
+#define D_BOOT_COUNT "Contagem de Inicialização"
+#define D_BRIGHTLIGHT "Brilho"
+#define D_BUTTON "Botão"
+#define D_BY "por"                    // Write by me
+#define D_BYTES "Bytes"
+#define D_CELSIUS "Celsius"
+#define D_CO2 "Dioxido de Carbono"
+#define D_CODE "Código"                // Button code
+#define D_COLDLIGHT "Luz Fria"
+#define D_COMMAND "Comando"
+#define D_CONNECTED "Ligado"
+#define D_COUNT "Contagem"
+#define D_COUNTER "Contador"
+#define D_CURRENT "Corrente"          // As in Voltage and Current
+#define D_DATA "Dados"
+#define D_DARKLIGHT "Luz Escura"
+#define D_DEBUG "Depurar"
+#define D_DISABLED "Disabilitado"
+#define D_DNS_SERVER "Servidor DNS"
+#define D_DONE "Concluído"
+#define D_DST_TIME "DST"
+#define D_EMULATION "Emulação"
+#define D_ENABLED "Habilitado"
+#define D_ERASE "Apagar"
+#define D_ERROR "Erro"
+#define D_FAHRENHEIT "Fahrenheit"
+#define D_FAILED "Falha"
+#define D_FALLBACK "Retornar"
+#define D_FALLBACK_TOPIC "Tópico para retornar"
+#define D_FALSE "Falso"
+#define D_FILE "Ficheiro"
+#define D_FREE_MEMORY "Memoria Livre"
+#define D_GAS "Gás"
+#define D_GATEWAY "Gateway"
+#define D_GROUP "Grupo"
+#define D_HOST "Anfitrião"
+#define D_HOSTNAME "Nome Anfitrião"
+#define D_HUMIDITY "Humidade"
+#define D_ILLUMINANCE "Luminâcia"
+#define D_IMMEDIATE "Immediato"      // Button immediate
+#define D_INDEX "Indíce"
+#define D_INFO "Info"
+#define D_INITIALIZED "Inicializado"
+#define D_IP_ADDRESS "Endereço IP"
+#define D_LIGHT "Luz"
+#define D_LWT "LWT"
+#define D_MODULE "Módulo"
+#define D_MQTT "MQTT"
+#define D_MULTI_PRESS "multi-pressão"
+#define D_NOISE "Ruído"
+#define D_NONE "Nenhum"
+#define D_OFF "Off"
+#define D_OFFLINE "Desconetado"
+#define D_OK "Ok"
+#define D_ON "On"
+#define D_ONLINE "Conetado"
+#define D_PASSWORD "Palavra Chave"
+#define D_PORT "Porta"
+#define D_POWER_FACTOR "Factor de Potência"
+#define D_POWERUSAGE "Potência"
+#define D_PRESSURE "Pressão"
+#define D_PRESSUREATSEALEVEL "Pressão ao nível do Mar"
+#define D_PROGRAM_FLASH_SIZE "Tamanho do Programa na Flash"
+#define D_PROGRAM_SIZE "Tamanho do Programa"
+#define D_PROJECT "Projeto"
+#define D_RECEIVED "Recebido"
+#define D_RESTART "Reiniciar"
+#define D_RESTARTING "A reiniciar"
+#define D_RESTART_REASON "Razão do reinicio"
+#define D_RESTORE "Restauro"
+#define D_RETAINED "Manter"
+#define D_SAVE "Salvar"
+#define D_SENSOR "Sensor"
+#define D_SSID "SSId"
+#define D_START "Início"
+#define D_STD_TIME "STD"
+#define D_STOP "Parar"
+#define D_SUBNET_MASK "Mascara sub rede"
+#define D_SUBSCRIBE_TO "Subescrever para"
+#define D_SUCCESSFUL "Successo"
+#define D_TEMPERATURE "Temperatura"
+#define D_TO "para"
+#define D_TOGGLE "Pressionar"
+#define D_TOPIC "Tópico"
+#define D_TRANSMIT "Transmitir"
+#define D_TRUE "Verdadeiro"
+#define D_UPGRADE "Atualizar"
+#define D_UPLOAD "Enviar"
+#define D_UPTIME "Tempo de Atividade"
+#define D_USER "Utilizador"
+#define D_UTC_TIME "UTC"
+#define D_UV_LEVEL "Nível UV"
+#define D_VERSION "Versão"
+#define D_VOLTAGE "Voltagem"
+#define D_WARMLIGHT "Luz Quente"
+#define D_WEB_SERVER "servidor WEB"
+
+// sonoff.ino
+#define D_WARNING_MINIMAL_VERSION "AVISO esta versão não supporta configurações persistentes"
+#define D_LEVEL_10 "nível 1-0"
+#define D_LEVEL_01 "nível 0-1"
+#define D_SERIAL_LOGGING_DISABLED "Registro em serie desabilitado"
+#define D_SYSLOG_LOGGING_REENABLED "Registro do Syslog reativado"
+
+#define D_SET_BAUDRATE_TO "Ajuste da velocidade para"
+#define D_RECEIVED_TOPIC "Topico Recebido"
+#define D_DATA_SIZE "Tamanho de dados"
+#define D_ANALOG_INPUT "Entrada Analógica"
+
+#define D_FINGERPRINT "Verifique a impressão digital TLS..."
+#define D_TLS_CONNECT_FAILED_TO "TLS não conseguiu ligar"
+#define D_RETRY_IN "Tentativa em"
+#define D_VERIFIED "Verificado"
+#define D_INSECURE "Ligação insegura devido à impressão digital inválida"
+#define D_CONNECT_FAILED_TO "A ligação falhou ao"
+
+// support.ino
+#define D_OSWATCH "osWatch"
+#define D_BLOCKED_LOOP "Loop Bloqueado"
+#define D_WPS_FAILED_WITH_STATUS "WPSconfig Falha de estado"
+#define D_ACTIVE_FOR_3_MINUTES "ativo por 3 minutes"
+#define D_FAILED_TO_START "Falha ao iníciar"
+#define D_PATCH_ISSUE_2186 "Questão 2186"
+#define D_CONNECTING_TO_AP "Ligando ao AP"
+#define D_IN_MODE "em modo"
+#define D_CONNECT_FAILED_NO_IP_ADDRESS "A ligação falhou porque nenhum endereço IP foi recebido"
+#define D_CONNECT_FAILED_AP_NOT_REACHED "A ligação falhou porque o AP não pode ser alcançado"
+#define D_CONNECT_FAILED_WRONG_PASSWORD "A ligação falhou porque a palavra chave está incorreta"
+#define D_CONNECT_FAILED_AP_TIMEOUT "A ligação falhou porque o tempo excedeu"
+#define D_ATTEMPTING_CONNECTION "A ligar..."
+#define D_CHECKING_CONNECTION "A verificar ligação..."
+#define D_QUERY_DONE "Consulta finalizada. Serviço MQTT não encontrado"
+#define D_MQTT_SERVICE_FOUND "Serviço MQTT encontrado em"
+#define D_FOUND_AT "encontrado em"
+#define D_SYSLOG_HOST_NOT_FOUND "Syslog anfitrião não encontrado"
+
+// settings.ino
+#define D_SAVED_TO_FLASH_AT "Guardado na flash em"
+#define D_LOADED_FROM_FLASH_AT "Lido da flash em"
+#define D_USE_DEFAULTS "Usar predefinições"
+#define D_ERASED_SECTOR "Apagar setores"
+
+// webserver.ino
+#define D_MINIMAL_FIRMWARE_PLEASE_UPGRADE "MINIMO firmware - Atualizar Por favor"
+#define D_WEBSERVER_ACTIVE_ON "Servidor WEB ativo em"
+#define D_WITH_IP_ADDRESS "com o endereço IP"
+#define D_WEBSERVER_STOPPED "Servitor WEB parou"
+#define D_FILE_NOT_FOUND "Ficheiro não encontrado"
+#define D_REDIRECTED "Redirecionado para o portal ativo"
+#define D_WIFIMANAGER_SET_ACCESSPOINT_AND_STATION "Wifimanager configura o Ponto de Acesso e mantem a Estação"
+#define D_WIFIMANAGER_SET_ACCESSPOINT "Wifimanager configura o Ponto de Acesso"
+#define D_TRYING_TO_CONNECT "A tentar ligar o dispositivo à rede"
+
+#define D_RESTART_IN "Reinicia em"
+#define D_SECONDS "segundos"
+#define D_DEVICE_WILL_RESTART "O dispositivo irá reiniciar dentro de alguns segundos"
+#define D_BUTTON_TOGGLE "Pressionar"
+#define D_CONFIGURATION "Configuração"
+#define D_INFORMATION "Informação"
+#define D_FIRMWARE_UPGRADE "Atualização de Firmware"
+#define D_CONSOLE "Consola"
+#define D_CONFIRM_RESTART "Confirmar o reinicio"
+
+#define D_CONFIGURE_MODULE "Configurar Módulo"
+#define D_CONFIGURE_WIFI "Configurar WiFi"
+#define D_CONFIGURE_MQTT "Configurar MQTT"
+#define D_CONFIGURE_DOMOTICZ "Configurar Domoticz"
+#define D_CONFIGURE_LOGGING "Configurar Logging"
+#define D_CONFIGURE_OTHER "Configurar outras opções"
+#define D_CONFIRM_RESET_CONFIGURATION "Apagar configuração Confirmar"
+#define D_RESET_CONFIGURATION "Apagar configuração"
+#define D_BACKUP_CONFIGURATION "Guardar configuração"
+#define D_RESTORE_CONFIGURATION "Repor configuração"
+#define D_MAIN_MENU "Menu Principal"
+
+#define D_MODULE_PARAMETERS "Parametros do Módulo"
+#define D_MODULE_TYPE "Tipo de Módulo"
+#define D_GPIO "GPIO"
+#define D_SERIAL_IN "Serial Entrada"
+#define D_SERIAL_OUT "Serial Saída"
+
+#define D_WIFI_PARAMETERS "Parametros Wifi"
+#define D_SCAN_FOR_WIFI_NETWORKS "Em busca de redes wifi"
+#define D_SCAN_DONE "Busca finalizada"
+#define D_NO_NETWORKS_FOUND "Sem redes"
+#define D_REFRESH_TO_SCAN_AGAIN "Nova busca"
+#define D_DUPLICATE_ACCESSPOINT "Ponto de Acesso duplicado"
+#define D_SKIPPING_LOW_QUALITY "Ignorado devido a baixa qualidade do sinal"
+#define D_RSSI "RSSI"
+#define D_WEP "WEP"
+#define D_WPA_PSK "WPA PSK"
+#define D_WPA2_PSK "WPA2 PSK"
+#define D_AP1_SSID "AP1 SSId"
+#define D_AP1_PASSWORD "AP1 Palavra Chave"
+#define D_AP2_SSID "AP2 SSId"
+#define D_AP2_PASSWORD "AP2 Palavra Chave"
+
+#define D_MQTT_PARAMETERS "Parametros MQTT"
+#define D_CLIENT "Cliente"
+#define D_FULL_TOPIC "Tópico completo"
+
+#define D_LOGGING_PARAMETERS "Parametros Logging"
+#define D_SERIAL_LOG_LEVEL "Nível de registro serial"
+#define D_WEB_LOG_LEVEL "Nível de registro WEB"
+#define D_SYS_LOG_LEVEL "Nível de registro Syslog"
+#define D_MORE_DEBUG "Depurar mais"
+#define D_SYSLOG_HOST "Syslog anfitrião"
+#define D_SYSLOG_PORT "Porta Syslog"
+#define D_TELEMETRY_PERIOD "Periodo de Telemetria"
+
+#define D_OTHER_PARAMETERS "Outros parametros"
+#define D_WEB_ADMIN_PASSWORD "Palavra Chave de WEB Admin"
+#define D_MQTT_ENABLE "MQTT habilitado"
+#define D_FRIENDLY_NAME "Nome amigável"
+#define D_BELKIN_WEMO "Belkin WeMo"
+#define D_HUE_BRIDGE "Hue Bridge"
+#define D_SINGLE_DEVICE "dispositivo único"
+#define D_MULTI_DEVICE "multiplos dispositivos"
+
+#define D_SAVE_CONFIGURATION "Salvar configuração"
+#define D_CONFIGURATION_SAVED "Configuração guardada"
+#define D_CONFIGURATION_RESET "Reinicialização da configuração"
+
+#define D_PROGRAM_VERSION "Versão do Programa"
+#define D_BUILD_DATE_AND_TIME "Data e Hora da construção"
+#define D_CORE_AND_SDK_VERSION "Versão Core/SDK"
+#define D_FLASH_WRITE_COUNT "contagem de gravação flash"
+#define D_MAC_ADDRESS "Endereço MAC"
+#define D_MQTT_HOST "MQTT Servidor"
+#define D_MQTT_PORT "MQTT Porta"
+#define D_MQTT_CLIENT "MQTT Cliente"
+#define D_MQTT_USER "MQTT Utilizador"
+#define D_MQTT_TOPIC "MQTT Tópico"
+#define D_MQTT_GROUP_TOPIC "MQTT Tópico Grupo"
+#define D_MQTT_FULL_TOPIC "MQTT Tópico Completo"
+#define D_MDNS_DISCOVERY "Descobrir mDNS"
+#define D_MDNS_ADVERTISE "Anunciar mDNS"
+#define D_ESP_CHIP_ID "ESP Chip Id"
+#define D_FLASH_CHIP_ID "Flash Chip Id"
+#define D_FLASH_CHIP_SIZE "Flash Size"
+#define D_FREE_PROGRAM_SPACE "Espaço Livre Programa"
+
+#define D_UPGRADE_BY_WEBSERVER "Atualizar pelo servidor WEB"
+#define D_OTA_URL "OTA Url"
+#define D_START_UPGRADE "Iniciar atualização"
+#define D_UPGRADE_BY_FILE_UPLOAD "Atualização por envio de ficheiro"
+#define D_UPLOAD_STARTED "Início do envio"
+#define D_UPGRADE_STARTED "Atualização Iniciada"
+#define D_UPLOAD_DONE "Atualização Finalizada"
+#define D_UPLOAD_ERR_1 "Nenhum ficheiro selecionado"
+#define D_UPLOAD_ERR_2 "Nao existe espaço disponível"
+#define D_UPLOAD_ERR_3 "Byte mágico não é 0xE9"
+#define D_UPLOAD_ERR_4 "O tamanho do programa e maior do que o tamanho real da flash"
+#define D_UPLOAD_ERR_5 "Envio buffer miscompare"
+#define D_UPLOAD_ERR_6 "Falha no envio. Hablitar logging 3"
+#define D_UPLOAD_ERR_7 "Envio cancelado"
+#define D_UPLOAD_ERR_8 "Ficheiro inválido"
+#define D_UPLOAD_ERR_9 "Ficheiro demasiado grande"
+#define D_UPLOAD_ERROR_CODE "Código de erro do envio"
+
+#define D_ENTER_COMMAND "Inserir comando"
+#define D_ENABLE_WEBLOG_FOR_RESPONSE "Habilitar weblog 2 se resposta esperada"
+#define D_NEED_USER_AND_PASSWORD "Necessário user=<nome utilizador>&password=<palavra chave>"
+
+// xdrv_wemohue.ino
+#define D_MULTICAST_DISABLED "Multicast desabilitado"
+#define D_MULTICAST_REJOINED "Multicast (re)ingressou"
+#define D_MULTICAST_JOIN_FAILED "Multicast falha no reingresso"
+#define D_FAILED_TO_SEND_RESPONSE "Falha no envio de reposta"
+
+#define D_WEMO "WeMo"
+#define D_WEMO_BASIC_EVENT "WeMo evento básico"
+#define D_WEMO_EVENT_SERVICE "WeMo evento de serviço"
+#define D_WEMO_META_SERVICE "WeMo serviço meta"
+#define D_WEMO_SETUP "WeMo configuração"
+#define D_RESPONSE_SENT "Rsposta enviada"
+
+#define D_HUE "Hue"
+#define D_HUE_BRIDGE_SETUP "Hue setup"
+#define D_HUE_API_NOT_IMPLEMENTED "Hue API nao implementada"
+#define D_HUE_API "Hue API"
+#define D_HUE_POST_ARGS "Hue POST args"
+#define D_3_RESPONSE_PACKETS_SENT "3 pacotes de resposta enviados"
+
+// xdrv_05_domoticz.ino
+#define D_DOMOTICZ_PARAMETERS "Parametros Domoticz"
+#define D_DOMOTICZ_IDX "Idx"
+#define D_DOMOTICZ_KEY_IDX "Chave idx"
+#define D_DOMOTICZ_SWITCH_IDX "Interruptor idx"
+#define D_DOMOTICZ_SENSOR_IDX "Sensor idx"
+  #define D_DOMOTICZ_TEMP "Temp"
+  #define D_DOMOTICZ_TEMP_HUM "Temp,Hum"
+  #define D_DOMOTICZ_TEMP_HUM_BARO "Temp,Hum,Baro"
+  #define D_DOMOTICZ_POWER_ENERGY "Potência,Energia"
+  #define D_DOMOTICZ_ILLUMINANCE "Luminâcia"
+  #define D_DOMOTICZ_COUNT "Contagem"
+  #define D_DOMOTICZ_VOLTAGE "Voltagem"
+  #define D_DOMOTICZ_CURRENT "Corrente"
+  #define D_DOMOTICZ_AIRQUALITY "Qualidade do Ar"
+#define D_DOMOTICZ_UPDATE_TIMER "Tempo de atualização"
+
+// xdrv_03_energy.ino
+#define D_ENERGY_TODAY "Consumo energético de hoje"
+#define D_ENERGY_YESTERDAY "Consumo energético de ontem"
+#define D_ENERGY_TOTAL "Consumo total de energial"
+
+// xsns_05_ds18b20.ino
+#define D_SENSOR_BUSY "Sensor ocupado"
+#define D_SENSOR_CRC_ERROR "Erro Sensor CRC"
+#define D_SENSORS_FOUND "Sensors encontrados"
+
+// xsns_06_dht.ino
+#define D_TIMEOUT_WAITING_FOR "Fim do tempo de espera"
+#define D_START_SIGNAL_LOW "Sinal de início baixo"
+#define D_START_SIGNAL_HIGH "Sinal de início elevado"
+#define D_PULSE "pulse"
+#define D_CHECKSUM_FAILURE "Falha Checksum"
+
+// xsns_07_sht1x.ino
+#define D_SENSOR_DID_NOT_ACK_COMMAND "Sensor não aceitou o comando ACK"
+#define D_SHT1X_FOUND "SHT1X encontrado"
+
+// xsns_18_pms5003.ino
+#define D_STANDARD_CONCENTRATION "CF-1 PM"     // Standard Particle CF-1 Particle Matter
+#define D_ENVIRONMENTAL_CONCENTRATION "PM"     // Environmetal Particle Matter
+#define D_PARTICALS_BEYOND "Partículas"
+
+// sonoff_template.h
+#define D_SENSOR_NONE     "Nenhum"
+#define D_SENSOR_DHT11    "DHT11"
+#define D_SENSOR_AM2301   "AM2301"
+#define D_SENSOR_SI7021   "SI7021"
+#define D_SENSOR_DS18X20  "DS18x20"
+#define D_SENSOR_I2C_SCL  "I2C SCL"
+#define D_SENSOR_I2C_SDA  "I2C SDA"
+#define D_SENSOR_WS2812   "WS2812"
+#define D_SENSOR_IRSEND   "IRsend"
+#define D_SENSOR_SWITCH   "Interruptor"   // Suffix "1"
+#define D_SENSOR_BUTTON   "Botão"   // Suffix "1"
+#define D_SENSOR_RELAY    "Relé"    // Suffix "1i"
+#define D_SENSOR_LED      "Led"      // Suffix "1i"
+#define D_SENSOR_PWM      "PWM"      // Suffix "1"
+#define D_SENSOR_COUNTER  "Contador"  // Suffix "1"
+#define D_SENSOR_IRRECV   "IRrecv"
+#define D_SENSOR_MHZ_RX   "MHZ Rx"
+#define D_SENSOR_MHZ_TX   "MHZ Tx"
+#define D_SENSOR_PZEM_RX  "PZEM Rx"
+#define D_SENSOR_PZEM_TX  "PZEM Tx"
+#define D_SENSOR_SAIR_RX  "SAir Rx"
+#define D_SENSOR_SAIR_TX  "SAir Tx"
+#define D_SENSOR_SPI_CS   "SPI CS"
+#define D_SENSOR_SPI_DC   "SPI DC"
+#define D_SENSOR_BACKLIGHT "Luz negra"
+#define D_SENSOR_PMS5003  "PMS5003"
+
+// Units
+#define D_UNIT_AMPERE "A"
+#define D_UNIT_HOUR "Hr"
+#define D_UNIT_KILOOHM "kOhm"
+#define D_UNIT_KILOWATTHOUR "kWh"
+#define D_UNIT_LUX "lx"
+#define D_UNIT_MICROGRAM_PER_CUBIC_METER "ug/m3"
+#define D_UNIT_MICROMETER "um"
+#define D_UNIT_MICROSECOND "us"
+#define D_UNIT_MILLIAMPERE "mA"
+#define D_UNIT_MILLISECOND "ms"
+#define D_UNIT_MINUTE "Min"
+#define D_UNIT_PARTS_PER_DECILITER "ppd"
+#define D_UNIT_PARTS_PER_MILLION "ppm"
+#define D_UNIT_PRESSURE "hPa"
+#define D_UNIT_SECOND "sec"
+#define D_UNIT_SECTORS "sectors"
+#define D_UNIT_VOLT "V"
+#define D_UNIT_WATT "W"
+#define D_UNIT_WATTHOUR "Wh"
+
+// Log message prefix
+#define D_LOG_APPLICATION "APP: "  // Application
+#define D_LOG_BRIDGE "BRG: "       // Bridge
+#define D_LOG_CONFIG "CFG: "       // Settings
+#define D_LOG_COMMAND "CMD: "      // Command
+#define D_LOG_DEBUG "DBG: "        // Debug
+#define D_LOG_DHT "DHT: "          // DHT sensor
+#define D_LOG_DOMOTICZ "DOM: "     // Domoticz
+#define D_LOG_DSB "DSB: "          // DS18xB20 sensor
+#define D_LOG_HTTP "HTP: "         // HTTP webserver
+#define D_LOG_I2C "I2C: "          // I2C
+#define D_LOG_IRR "IRR: "          // Infra Red Received
+#define D_LOG_LOG "LOG: "          // Logging
+#define D_LOG_MODULE "MOD: "       // Module
+#define D_LOG_MDNS "DNS: "         // mDNS
+#define D_LOG_MQTT "MQT: "         // MQTT
+#define D_LOG_OTHER "OTH: "        // Other
+#define D_LOG_RESULT "RSL: "       // Result
+#define D_LOG_RFR "RFR: "          // RF Received
+#define D_LOG_SERIAL "SER: "       // Serial
+#define D_LOG_SHT1 "SHT: "         // SHT1x sensor
+#define D_LOG_UPLOAD "UPL: "       // Upload
+#define D_LOG_UPNP "UPP: "         // UPnP
+#define D_LOG_WIFI "WIF: "         // Wifi
+
+#endif  // _LANGUAGE_PT_PT_H_
diff --git a/sonoff/user_config.h b/sonoff/user_config.h
index dc2c947cd..9033cc7e5 100644
--- a/sonoff/user_config.h
+++ b/sonoff/user_config.h
@@ -37,6 +37,7 @@
 //#define MY_LANGUAGE            it-IT           // Italian in Italy
 //#define MY_LANGUAGE            nl-NL           // Dutch in the Netherlands
 //#define MY_LANGUAGE            pl-PL           // Polish in Poland
+//#define MY_LANGUAGE            pt-PT           // Portuguese in Portugal
 //#define MY_LANGUAGE            ru-RU           // Russian in Russia
 //#define MY_LANGUAGE            zh-CN           // Chinese (Simplified) in China