diff --git a/tasmota/i18n.h b/tasmota/i18n.h
index 7b6d50fe1..580f68d5d 100644
--- a/tasmota/i18n.h
+++ b/tasmota/i18n.h
@@ -52,6 +52,7 @@
 #define D_JSON_CURRENT "Current"         // As in Voltage and Current
 #define D_JSON_DARKNESS "Darkness"
 #define D_JSON_DATA "Data"
+#define D_JSON_DEWPOINT "DewPoint"
 #define D_JSON_DISTANCE "Distance"
 #define D_JSON_DNSSERVER "DNSServer"
 #define D_JSON_DONE "Done"
@@ -631,6 +632,7 @@ const char S_JSON_DRIVER_INDEX_SVALUE[] PROGMEM =             "{\"" D_CMND_DRIVE
 
 const char JSON_SNS_TEMP[] PROGMEM = ",\"%s\":{\"" D_JSON_TEMPERATURE "\":%s}";
 const char JSON_SNS_TEMPHUM[] PROGMEM = ",\"%s\":{\"" D_JSON_TEMPERATURE "\":%s,\"" D_JSON_HUMIDITY "\":%s}";
+const char JSON_SNS_TEMPHUMDEW[] PROGMEM = ",\"%s\":{\"" D_JSON_TEMPERATURE "\":%s,\"" D_JSON_HUMIDITY "\":%s,\"" D_JSON_DEWPOINT "\":%s}";
 
 const char JSON_SNS_ILLUMINANCE[] PROGMEM = ",\"%s\":{\"" D_JSON_ILLUMINANCE "\":%d}";
 const char JSON_SNS_MOISTURE[] PROGMEM = ",\"%s\":{\"" D_JSON_MOISTURE "\":%d}";
@@ -667,6 +669,7 @@ const float kSpeedConversionFactor[] = {1,            // none
 // {s} = <tr><th>, {m} = </th><td>, {e} = </td></tr>
 const char HTTP_SNS_TEMP[] PROGMEM = "{s}%s " D_TEMPERATURE "{m}%s&deg;%c{e}";
 const char HTTP_SNS_HUM[] PROGMEM = "{s}%s " D_HUMIDITY "{m}%s%%{e}";
+const char HTTP_SNS_DEW[] PROGMEM = "{s}%s " D_DEWPOINT "{m}%s&deg;%c{e}";
 const char HTTP_SNS_PRESSURE[] PROGMEM = "{s}%s " D_PRESSURE "{m}%s %s{e}";
 const char HTTP_SNS_SEAPRESSURE[] PROGMEM = "{s}%s " D_PRESSUREATSEALEVEL "{m}%s %s{e}";
 const char HTTP_SNS_ANALOG[] PROGMEM = "{s}%s " D_ANALOG_INPUT "%d{m}%d{e}";
diff --git a/tasmota/language/bg-BG.h b/tasmota/language/bg-BG.h
index 9adc5c820..37e1468ab 100644
--- a/tasmota/language/bg-BG.h
+++ b/tasmota/language/bg-BG.h
@@ -79,6 +79,7 @@
 #define D_DATA "Данни"
 #define D_DARKLIGHT "Тъмна"
 #define D_DEBUG "Дебъгване"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Забранен"
 #define D_DISTANCE "Разстояние"
 #define D_DNS_SERVER "DNS Сървър"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "Ю"
 #define D_TX20_WEST "З"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/cs-CZ.h b/tasmota/language/cs-CZ.h
index 94e58067f..6ea1707a7 100644
--- a/tasmota/language/cs-CZ.h
+++ b/tasmota/language/cs-CZ.h
@@ -79,6 +79,7 @@
 #define D_DATA "Data"
 #define D_DARKLIGHT "Tmavý"
 #define D_DEBUG "Debug"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Zablokováno"
 #define D_DISTANCE "Distance"
 #define D_DNS_SERVER "Server DNS"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "J"
 #define D_TX20_WEST "Z"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/de-DE.h b/tasmota/language/de-DE.h
index f93c272a7..cc5dbd09c 100644
--- a/tasmota/language/de-DE.h
+++ b/tasmota/language/de-DE.h
@@ -79,6 +79,7 @@
 #define D_DATA "Daten"
 #define D_DARKLIGHT "dunkel"
 #define D_DEBUG "debug"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "deaktiviert"
 #define D_DISTANCE "Abstand"
 #define D_DNS_SERVER "DNS-Server"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "W"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Verbrauch"
 #define D_TPWROUT "Einspeisung"
 #define D_TPWRCURR "Aktueller Verbrauch"
diff --git a/tasmota/language/el-GR.h b/tasmota/language/el-GR.h
index acb1cedd8..5b13e6342 100644
--- a/tasmota/language/el-GR.h
+++ b/tasmota/language/el-GR.h
@@ -79,6 +79,7 @@
 #define D_DATA "Δεδομένα"
 #define D_DARKLIGHT "Σκοτεινό"
 #define D_DEBUG "Debug"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Ανενεργό"
 #define D_DISTANCE "Απόσταση"
 #define D_DNS_SERVER "Διακομιστής DNS"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "Ν"
 #define D_TX20_WEST "Δ"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/en-GB.h b/tasmota/language/en-GB.h
index 6d3e8da3f..c394c706d 100644
--- a/tasmota/language/en-GB.h
+++ b/tasmota/language/en-GB.h
@@ -79,6 +79,7 @@
 #define D_DATA "Data"
 #define D_DARKLIGHT "Dark"
 #define D_DEBUG "Debug"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Disabled"
 #define D_DISTANCE "Distance"
 #define D_DNS_SERVER "DNS Server"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "W"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Total-In"
 #define D_TPWROUT "Total-Out"
 #define D_TPWRCURR "Current-In/Out"
diff --git a/tasmota/language/es-ES.h b/tasmota/language/es-ES.h
index 3f1c1c934..1f7e33914 100644
--- a/tasmota/language/es-ES.h
+++ b/tasmota/language/es-ES.h
@@ -79,6 +79,7 @@
 #define D_DATA "Datos"
 #define D_DARKLIGHT "Oscuro"
 #define D_DEBUG "Debug"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Deshabilitado"
 #define D_DISTANCE "Distancia"
 #define D_DNS_SERVER "Servidor DNS"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "O"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energía Total-Entrada"
 #define D_TPWROUT "Energía Total-Salida"
 #define D_TPWRCURR "Potencia-En/Sal"
diff --git a/tasmota/language/fr-FR.h b/tasmota/language/fr-FR.h
index 8eea225ad..9aa4efba8 100644
--- a/tasmota/language/fr-FR.h
+++ b/tasmota/language/fr-FR.h
@@ -79,6 +79,7 @@
 #define D_DATA "Donnée"
 #define D_DARKLIGHT "Sombre"
 #define D_DEBUG "Debug"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Désactivé"
 #define D_DISTANCE "Distance"
 #define D_DNS_SERVER "Serveur DNS"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "O"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/he-HE.h b/tasmota/language/he-HE.h
index 5463f6ba1..64d1b38b2 100644
--- a/tasmota/language/he-HE.h
+++ b/tasmota/language/he-HE.h
@@ -79,6 +79,7 @@
 #define D_DATA "נתונים"
 #define D_DARKLIGHT "חושך"
 #define D_DEBUG "באגים"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "מבוטל"
 #define D_DISTANCE "מרחק"
 #define D_DNS_SERVER "DNS שרת"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "W"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/hu-HU.h b/tasmota/language/hu-HU.h
index 16762b19a..d4797a90a 100644
--- a/tasmota/language/hu-HU.h
+++ b/tasmota/language/hu-HU.h
@@ -79,6 +79,7 @@
 #define D_DATA "Adat"
 #define D_DARKLIGHT "Min. fényerő"
 #define D_DEBUG "Debug"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Letiltva"
 #define D_DISTANCE "Távolság"
 #define D_DNS_SERVER "DNS szerver"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "D"
 #define D_TX20_WEST "NY"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/it-IT.h b/tasmota/language/it-IT.h
index 1c13a8679..7f41ad7fa 100644
--- a/tasmota/language/it-IT.h
+++ b/tasmota/language/it-IT.h
@@ -79,6 +79,7 @@
 #define D_DATA "Dati"
 #define D_DARKLIGHT "Scuro"
 #define D_DEBUG "Debug"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Disabilitato"
 #define D_DISTANCE "Distanza"
 #define D_DNS_SERVER "DNS Server"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "O"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/ko-KO.h b/tasmota/language/ko-KO.h
index e586f70a8..fe1ca5b3b 100644
--- a/tasmota/language/ko-KO.h
+++ b/tasmota/language/ko-KO.h
@@ -79,6 +79,7 @@
 #define D_DATA "Data"
 #define D_DARKLIGHT "어둡게"
 #define D_DEBUG "디버그"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "사용안함"
 #define D_DISTANCE "거리"
 #define D_DNS_SERVER "DNS 서버"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "W"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/nl-NL.h b/tasmota/language/nl-NL.h
index c97c0d3cc..474cc7150 100644
--- a/tasmota/language/nl-NL.h
+++ b/tasmota/language/nl-NL.h
@@ -79,6 +79,7 @@
 #define D_DATA "Data"
 #define D_DARKLIGHT "Donker"
 #define D_DEBUG "Debug"
+#define D_DEWPOINT "Dauwpunt"
 #define D_DISABLED "Uitgeschakeld"
 #define D_DISTANCE "Afstand"
 #define D_DNS_SERVER "DNS Server"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "W"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/pl-PL.h b/tasmota/language/pl-PL.h
index ce1926694..5652de045 100644
--- a/tasmota/language/pl-PL.h
+++ b/tasmota/language/pl-PL.h
@@ -79,6 +79,7 @@
 #define D_DATA "Data"
 #define D_DARKLIGHT "Ciemny"
 #define D_DEBUG "Debug"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Wyłączony"
 #define D_DISTANCE "Odległość"
 #define D_DNS_SERVER "Serwer DNS"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "W"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/pt-BR.h b/tasmota/language/pt-BR.h
index 880057472..858be76f0 100644
--- a/tasmota/language/pt-BR.h
+++ b/tasmota/language/pt-BR.h
@@ -79,6 +79,7 @@
 #define D_DATA "Dados"
 #define D_DARKLIGHT "Luz escura"
 #define D_DEBUG "Depurar"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Desabilitado"
 #define D_DISTANCE "Distância"
 #define D_DNS_SERVER "Servidor DNS"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "O"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/pt-PT.h b/tasmota/language/pt-PT.h
index 2648198ef..6bbfc0fa6 100644
--- a/tasmota/language/pt-PT.h
+++ b/tasmota/language/pt-PT.h
@@ -79,6 +79,7 @@
 #define D_DATA "Dados"
 #define D_DARKLIGHT "Luz Escura"
 #define D_DEBUG "Depurar"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Disabilitado"
 #define D_DISTANCE "Distância"
 #define D_DNS_SERVER "Servidor DNS"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "O"
 
-//xsns_53_sml.ino 
+//xsns_53_sml.ino
 #define D_TPWRIN "Energia-Consumo"
 #define D_TPWROUT "Energia-Geração"
 #define D_TPWRCURR "Potência Ativa-Consumo/Geração"
@@ -527,7 +528,7 @@
 #define D_Spannung_L3 "Tensão F3"
 #define D_METERNR "Número_Contador"
 #define D_METERSID "ID Serviço"
-#define D_GasIN "Contagem" 
+#define D_GasIN "Contagem"
 #define D_H2oIN "Contagem"
 #define D_StL1L2L3 "Corrente F1+F2+F3"
 #define D_SpL1L2L3 "Tensão F1+F2+F3/3"
diff --git a/tasmota/language/ro-RO.h b/tasmota/language/ro-RO.h
index 2d010317d..8970bbd29 100644
--- a/tasmota/language/ro-RO.h
+++ b/tasmota/language/ro-RO.h
@@ -79,6 +79,7 @@
 #define D_DATA "Date"
 #define D_DARKLIGHT "Întunecat"
 #define D_DEBUG "Depanare"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Dezactivat"
 #define D_DISTANCE "Distanță"
 #define D_DNS_SERVER "Server DNS"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "V"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/ru-RU.h b/tasmota/language/ru-RU.h
index 1e2de831f..990c3d9d1 100644
--- a/tasmota/language/ru-RU.h
+++ b/tasmota/language/ru-RU.h
@@ -79,6 +79,7 @@
 #define D_DATA "Данные"
 #define D_DARKLIGHT "Темный"
 #define D_DEBUG "Отладка"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Блокирован"
 #define D_DISTANCE "Distance"
 #define D_DNS_SERVER "DNS Сервер"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "W"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/sk-SK.h b/tasmota/language/sk-SK.h
index 54391e41f..d9eae653d 100644
--- a/tasmota/language/sk-SK.h
+++ b/tasmota/language/sk-SK.h
@@ -80,6 +80,7 @@
 #define D_FLOW_RATE "Flow rate"
 #define D_DARKLIGHT "Tmavý"
 #define D_DEBUG "Debug"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Zablokované"
 #define D_DISTANCE "Vzdialenosť"
 #define D_DNS_SERVER "Server DNS"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "J"
 #define D_TX20_WEST "Z"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/sv-SE.h b/tasmota/language/sv-SE.h
index 490636206..302dac80c 100644
--- a/tasmota/language/sv-SE.h
+++ b/tasmota/language/sv-SE.h
@@ -79,6 +79,7 @@
 #define D_DATA "Data"
 #define D_DARKLIGHT "Mörkt"
 #define D_DEBUG "Debug"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Inaktiverad"
 #define D_DISTANCE "Distans"
 #define D_DNS_SERVER "DNS-server"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "V"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/tr-TR.h b/tasmota/language/tr-TR.h
index 16d3e8a80..bb48f6d0e 100644
--- a/tasmota/language/tr-TR.h
+++ b/tasmota/language/tr-TR.h
@@ -79,6 +79,7 @@
 #define D_DATA "Data"
 #define D_DARKLIGHT "Karanlık"
 #define D_DEBUG "Hata Ayıklama"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Etkin Değil"
 #define D_DISTANCE "Mesage"
 #define D_DNS_SERVER "DNS Sunucu"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "W"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/uk-UA.h b/tasmota/language/uk-UA.h
index a9bfd503f..895269639 100644
--- a/tasmota/language/uk-UA.h
+++ b/tasmota/language/uk-UA.h
@@ -79,6 +79,7 @@
 #define D_DATA "Дані"
 #define D_DARKLIGHT "Темний"
 #define D_DEBUG "Налагодження"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "Вимкнено"
 #define D_DISTANCE "Відстань"
 #define D_DNS_SERVER "Сервер DNS"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "Пд"
 #define D_TX20_WEST "Зх"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/zh-CN.h b/tasmota/language/zh-CN.h
index bd424d921..e1517e21e 100644
--- a/tasmota/language/zh-CN.h
+++ b/tasmota/language/zh-CN.h
@@ -79,6 +79,7 @@
 #define D_DATA "数据:"
 #define D_DARKLIGHT "暗"
 #define D_DEBUG "调试"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "禁用"
 #define D_DISTANCE "距离"
 #define D_DNS_SERVER "DNS服务器"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "南"
 #define D_TX20_WEST "西"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/language/zh-TW.h b/tasmota/language/zh-TW.h
index 04bcea868..f3c31c0b6 100644
--- a/tasmota/language/zh-TW.h
+++ b/tasmota/language/zh-TW.h
@@ -79,6 +79,7 @@
 #define D_DATA "數據:"
 #define D_DARKLIGHT "Dark"
 #define D_DEBUG "除錯"
+#define D_DEWPOINT "Dew point"
 #define D_DISABLED "停用"
 #define D_DISTANCE "Distance"
 #define D_DNS_SERVER "DNS伺服器"
@@ -512,7 +513,7 @@
 #define D_TX20_SOUTH "S"
 #define D_TX20_WEST "W"
 
-// xsns_53_sml.ino 
+// xsns_53_sml.ino
 #define D_TPWRIN "Energy Total-In"
 #define D_TPWROUT "Energy Total-Out"
 #define D_TPWRCURR "Active Power-In/Out"
diff --git a/tasmota/support.ino b/tasmota/support.ino
index d9693a3a4..984b4312f 100644
--- a/tasmota/support.ino
+++ b/tasmota/support.ino
@@ -623,6 +623,24 @@ float ConvertHumidity(float h)
   return h;
 }
 
+float CalcTempHumToDew(float t, float h)
+{
+  if (isnan(h) || isnan(t)) { return 0.0; }
+
+  if (Settings.flag.temperature_conversion) {                 // SetOption8 - Switch between Celsius or Fahrenheit
+    t = (t - 32) / 1.8;                                       // Celsius
+  }
+
+//  float gamma = log(h / 100) + 17.62 * t / (243.5 + t);
+  float gamma = TaylorLog(h / 100) + 17.62 * t / (243.5 + t);
+  float result = (243.5 * gamma / (17.62 - gamma));
+
+  if (Settings.flag.temperature_conversion) {                 // SetOption8 - Switch between Celsius or Fahrenheit
+    result = result * 1.8 + 32;                               // Fahrenheit
+  }
+  return result;
+}
+
 float ConvertPressure(float p)
 {
   float result = p;
diff --git a/tasmota/support_tasmota.ino b/tasmota/support_tasmota.ino
index eab6f136b..4e8a3fa54 100644
--- a/tasmota/support_tasmota.ino
+++ b/tasmota/support_tasmota.ino
@@ -667,6 +667,38 @@ void MqttPublishTeleState(void)
 #endif  // USE_SCRIPT
 }
 
+void TempHumDewShow(bool json, bool pass_on, const char *types, float f_temperature, float f_humidity)
+{
+  char temperature[33];
+  dtostrfd(f_temperature, Settings.flag2.temperature_resolution, temperature);
+  char humidity[33];
+  dtostrfd(f_humidity, Settings.flag2.humidity_resolution, humidity);
+  float f_dewpoint = CalcTempHumToDew(f_temperature, f_humidity);
+  char dewpoint[33];
+  dtostrfd(f_dewpoint, Settings.flag2.temperature_resolution, dewpoint);
+
+  if (json) {
+    ResponseAppend_P(JSON_SNS_TEMPHUMDEW, types, temperature, humidity, dewpoint);
+#ifdef USE_DOMOTICZ
+    if (pass_on) {
+      DomoticzTempHumSensor(temperature, humidity);
+    }
+#endif  // USE_DOMOTICZ
+#ifdef USE_KNX
+    if (pass_on) {
+      KnxSensor(KNX_TEMPERATURE, f_temperature);
+      KnxSensor(KNX_HUMIDITY, f_humidity);
+    }
+#endif  // USE_KNX
+#ifdef USE_WEBSERVER
+  } else {
+    WSContentSend_PD(HTTP_SNS_TEMP, types, temperature, TempUnit());
+    WSContentSend_PD(HTTP_SNS_HUM, types, humidity);
+    WSContentSend_PD(HTTP_SNS_DEW, types, dewpoint, TempUnit());
+#endif  // USE_WEBSERVER
+  }
+}
+
 bool MqttShowSensor(void)
 {
   ResponseAppendTime();
diff --git a/tasmota/xsns_06_dht.ino b/tasmota/xsns_06_dht.ino
index 9c7003970..e8488a96f 100644
--- a/tasmota/xsns_06_dht.ino
+++ b/tasmota/xsns_06_dht.ino
@@ -240,7 +240,7 @@ void DhtEverySecond(void)
     }
   }
 }
-
+/*
 void DhtShow(bool json)
 {
   for (uint32_t i = 0; i < dht_sensors; i++) {
@@ -270,6 +270,13 @@ void DhtShow(bool json)
     }
   }
 }
+*/
+void DhtShow(bool json)
+{
+  for (uint32_t i = 0; i < dht_sensors; i++) {
+    TempHumDewShow(json, ((0 == tele_period) && (0 == i)), Dht[i].stype, Dht[i].t, Dht[i].h);
+  }
+}
 
 /*********************************************************************************************\
  * Interface
diff --git a/tasmota/xsns_07_sht1x.ino b/tasmota/xsns_07_sht1x.ino
index 9679728f8..e4b1796cb 100644
--- a/tasmota/xsns_07_sht1x.ino
+++ b/tasmota/xsns_07_sht1x.ino
@@ -179,7 +179,7 @@ void ShtEverySecond(void)
     }
   }
 }
-
+/*
 void ShtShow(bool json)
 {
   if (sht_valid) {
@@ -209,6 +209,13 @@ void ShtShow(bool json)
     }
   }
 }
+*/
+void ShtShow(bool json)
+{
+  if (sht_valid) {
+    TempHumDewShow(json, (0 == tele_period), sht_types, sht_temperature, sht_humidity);
+  }
+}
 
 /*********************************************************************************************\
  * Interface
diff --git a/tasmota/xsns_08_htu21.ino b/tasmota/xsns_08_htu21.ino
index 704952a4b..2cfaa0a59 100644
--- a/tasmota/xsns_08_htu21.ino
+++ b/tasmota/xsns_08_htu21.ino
@@ -237,7 +237,7 @@ void HtuEverySecond(void)
     }
   }
 }
-
+/*
 void HtuShow(bool json)
 {
   if (htu_valid) {
@@ -267,6 +267,13 @@ void HtuShow(bool json)
     }
   }
 }
+*/
+void HtuShow(bool json)
+{
+  if (htu_valid) {
+    TempHumDewShow(json, (0 == tele_period), htu_types, htu_temperature, htu_humidity);
+  }
+}
 
 /*********************************************************************************************\
  * Interface
diff --git a/tasmota/xsns_14_sht3x.ino b/tasmota/xsns_14_sht3x.ino
index 521231d50..65bd1a4cf 100644
--- a/tasmota/xsns_14_sht3x.ino
+++ b/tasmota/xsns_14_sht3x.ino
@@ -91,7 +91,7 @@ void Sht3xDetect(void)
     }
   }
 }
-
+/*
 void Sht3xShow(bool json)
 {
   for (uint32_t i = 0; i < sht3x_count; i++) {
@@ -129,6 +129,19 @@ void Sht3xShow(bool json)
     }
   }
 }
+*/
+void Sht3xShow(bool json)
+{
+  for (uint32_t i = 0; i < sht3x_count; i++) {
+    float t;
+    float h;
+    if (Sht3xRead(t, h, sht3x_sensors[i].address)) {
+      char types[11];
+      snprintf_P(types, sizeof(types), PSTR("%s%c0x%02X"), sht3x_sensors[i].types, IndexSeparator(), sht3x_sensors[i].address);  // "SHT3X-0xXX"
+      TempHumDewShow(json, ((0 == tele_period) && (0 == i)), types, t, h);
+    }
+  }
+}
 
 /*********************************************************************************************\
  * Interface
diff --git a/tasmota/xsns_55_hih_series.ino b/tasmota/xsns_55_hih_series.ino
index 5ebcdea93..aef74dcf1 100644
--- a/tasmota/xsns_55_hih_series.ino
+++ b/tasmota/xsns_55_hih_series.ino
@@ -92,7 +92,7 @@ void Hih6EverySecond(void)
     }
   }
 }
-
+/*
 void Hih6Show(bool json)
 {
   if (Hih6.valid) {
@@ -122,6 +122,13 @@ void Hih6Show(bool json)
     }
   }
 }
+*/
+void Hih6Show(bool json)
+{
+  if (Hih6.valid) {
+    TempHumDewShow(json, (0 == tele_period), Hih6.types, Hih6.temperature, Hih6.humidity);
+  }
+}
 
 /*********************************************************************************************\
  * Interface
diff --git a/tasmota/xsns_63_aht1x.ino b/tasmota/xsns_63_aht1x.ino
index 0d4083605..d99457a44 100644
--- a/tasmota/xsns_63_aht1x.ino
+++ b/tasmota/xsns_63_aht1x.ino
@@ -26,11 +26,11 @@
  * I2C Address: 0x38
  *
  * Attention: this Sensor is incompatible with other I2C devices on I2C bus.
- * 
+ *
  * The Datasheet write:
- * "Only a single AHT10 can be connected to the I2C bus and no other I2C 
+ * "Only a single AHT10 can be connected to the I2C bus and no other I2C
  *  devices can be connected".
- * 
+ *
  * after lot of search and tests, now is confirmed that works only reliable with one sensor
  * on I2C Bus
 \*********************************************************************************************/
@@ -38,129 +38,178 @@
 #define XSNS_63              63
 #define XI2C_43              43  // See I2CDEVICES.md
 
-#define AHT10_ADDR           0x38
+#define AHT1X_ADDR1          0x38
+#define AHT1X_ADDR2          0x39
 
-uint8_t eSensorCalibrateCmd[3] = {0xE1, 0x08, 0x00};
-uint8_t eSensorMeasureCmd[3]   = {0xAC, 0x33, 0x00};
-uint8_t eSensorResetCmd        = 0xBA;
+#define AHT1X_MAX_SENSORS    2
 
-struct AHT10 {
+#define AHT_HUMIDITY_CONST      100
+#define AHT_TEMPERATURE_CONST   200
+#define AHT_TEMPERATURE_OFFSET  50
+#define KILOBYTE_CONST          1048576.0f
+
+#define AHT1X_CMD_DELAY      40
+#define AHT1X_RST_DELAY      30
+#define AHT1X_MEAS_DELAY     80 // over 75ms in datasheet
+
+uint8_t AHTSetCalCmd[3]    = {0xE1, 0x08, 00}; //load factory calibration coeff
+uint8_t AHTSetCycleCmd[3]  = {0xE1, 0x28, 00}; //enable cycle mode
+uint8_t AHTMeasureCmd[3]   = {0xAC, 0x33, 00}; //start measurment command
+uint8_t AHTResetCmd        = 0xBA;             //soft reset command
+
+const char ahtTypes[] PROGMEM = "AHT1X|AHT1X";
+uint8_t aht1x_addresses[] = { AHT1X_ADDR1, AHT1X_ADDR2 };
+uint8_t aht1x_count  = 0;
+uint8_t aht1x_Pcount = 0;
+
+struct AHT1XSTRUCT
+{
   float   humidity = NAN;
   float   temperature = NAN;
-  uint8_t valid = 0;
-  uint8_t count = 0;
-  char    name[6] = "AHT1x";
-} AHT10;
+  uint8_t address;    // bus address
+  char    types[6];   // Sensor type name and address -
+} aht1x_sensors[AHT1X_MAX_SENSORS];
 
-bool AHT10Read(void)
+bool AHT1XWrite(uint8_t aht1x_idx)
 {
-  if (AHT10.valid) { AHT10.valid--; }
+  Wire.beginTransmission(aht1x_sensors[aht1x_idx].address);
+  Wire.write(AHTMeasureCmd, 3);
+  if (Wire.endTransmission() != 0)
+    return false;
+}
 
+bool AHT1XRead(uint8_t aht1x_idx)
+{
   uint8_t data[6];
+  Wire.requestFrom(aht1x_sensors[aht1x_idx].address, (uint8_t) 6);
+  for(uint8_t i = 0; Wire.available() > 0; i++){
+     data[i] = Wire.read();
+   }
+   if ((data[0] & 0x80) == 0x80) return false; //device is busy
 
-  Wire.beginTransmission(AHT10_ADDR);
-  Wire.write(eSensorMeasureCmd, 3);
-  Wire.endTransmission();
-  delay(80);
+  aht1x_sensors[aht1x_idx].humidity    = (((data[1] << 12)| (data[2] << 4) | data[3] >> 4) * AHT_HUMIDITY_CONST / KILOBYTE_CONST);
+  aht1x_sensors[aht1x_idx].temperature = ((AHT_TEMPERATURE_CONST * (((data[3] & 0x0F) << 16) | (data[4] << 8) | data[5]) / KILOBYTE_CONST) - AHT_TEMPERATURE_OFFSET);
 
-  Wire.requestFrom(AHT10_ADDR, 6);
-  for (uint32_t i = 0; Wire.available() > 0; i++) {
-    data[i] = Wire.read();
-  }
-
-  uint32_t result_h = ((data[1] << 16) | (data[2] << 8) | data[3]) >> 4;
-  uint32_t result_t = ((data[3] & 0x0F) << 16) | (data[4] << 8) | data[5];
-
-  float humidity = result_h * 100 / 1048576;
-  float temperature = ((200 * result_t) / 1048576) - 50;
-
-  if (isnan(temperature) || isnan(humidity)) { return false; }
-
-  AHT10.humidity = ConvertHumidity(humidity);
-  AHT10.temperature  = ConvertTemp(temperature);
-
-  AHT10.valid = SENSOR_MAX_MISS;
-  return true;
+  return (!isnan(aht1x_sensors[aht1x_idx].temperature) && !isnan(aht1x_sensors[aht1x_idx].humidity) && (aht1x_sensors[aht1x_idx].humidity != 0));
 }
 
 /********************************************************************************************/
 
-bool AHT10Init(void)
+// Test for Polling the device without delays
+// Incompatible with other devices on I2C bus
+void AHT1XPoll(void) // We have 100ms for read. Sensor needs 80-95 ms
 {
-  Wire.begin(AHT10_ADDR);
-  Wire.beginTransmission(AHT10_ADDR);
-  Wire.write(eSensorCalibrateCmd, 3); // init with internal temp coef.
-  Wire.endTransmission();
-
-  delay(40);  //  after tests, its ok
-
-  return (0x08 == (AHT10ReadStatus() & 0x68)); 
+  aht1x_Pcount++;
+   switch (aht1x_Pcount) {
+    case 10:
+      AHT1XWrite(0);
+      break;
+    case 11:
+      if (AHT1XRead(0)){
+        ConvertTemp(aht1x_sensors[0].temperature);   // Set global temperature
+        ConvertHumidity(aht1x_sensors[0].humidity);  // Set global humidity
+      }
+      aht1x_Pcount = 0;
+      break;
+    }
 }
 
-uint8_t AHT10ReadStatus(void)
+unsigned char AHT1XReadStatus(uint8_t aht1x_address)
 {
-  Wire.requestFrom(AHT10_ADDR, 1);
-  uint8_t result = Wire.read();
+  uint8_t result = 0;
+  Wire.requestFrom(aht1x_address, (uint8_t) 1);
+  result = Wire.read();
   return result;
 }
 
-void AHT10Reset(void)
+void AHT1XReset(uint8_t aht1x_address)
 {
-  Wire.beginTransmission(AHT10_ADDR);
-  Wire.write(eSensorResetCmd);
+  Wire.beginTransmission(aht1x_address);
+  Wire.write(AHTResetCmd);
   Wire.endTransmission();
-  delay(20);
+  delay(AHT1X_RST_DELAY);
 }
 
 /********************************************************************************************/
-
-void AHT10Detect(void)
+bool AHT1XInit(uint8_t aht1x_address)
 {
-  if (I2cActive(AHT10_ADDR)) { return; }
-
-  if (AHT10Init()) {
-    I2cSetActiveFound(AHT10_ADDR, AHT10.name);
-    AHT10.count = 1;
-  }
+  Wire.beginTransmission(aht1x_address);
+  Wire.write(AHTSetCalCmd, 3);
+  if (Wire.endTransmission() != 0) return false;
+  delay(AHT1X_CMD_DELAY);
+  if((AHT1XReadStatus(aht1x_address) & 0x68) == 0x08) // Sensor calcoef aktiv
+    return true;
+  return false;
 }
 
-void AHT10EverySecond(void)
+void AHT1XDetect(void)
 {
-  if (uptime &1) {
-    // AHT10: 55mS
-    if (!AHT10Read()) {
-      AddLogMissed(AHT10.name, AHT10.valid);
+  for (uint8_t i = 0; i < AHT1X_MAX_SENSORS; i++) {
+    if (I2cActive(aht1x_addresses[i])) { continue; }
+    if (AHT1XInit(aht1x_addresses[i]))
+    {
+      aht1x_sensors[aht1x_count].address = aht1x_addresses[i];
+      GetTextIndexed(aht1x_sensors[aht1x_count].types, sizeof(aht1x_sensors[aht1x_count].types), i, ahtTypes);
+      I2cSetActiveFound(aht1x_sensors[aht1x_count].address, aht1x_sensors[aht1x_count].types);
+      aht1x_count = 1;
+      break; // Only one Sensor allowed at the moment (I2C Sensor-Bug)
     }
   }
 }
-
-void AHT10Show(bool json)
+/*
+void AHT1XShow(bool json)
 {
-  if (AHT10.valid) {
+  for (uint8_t i = 0; i < aht1x_count; i++)
+  {
+    float tem = ConvertTemp(aht1x_sensors[i].temperature);
+    float hum = ConvertHumidity(aht1x_sensors[i].humidity);
+    float dew = CalcTemHumToDew(aht1x_sensors[i].humidity, aht1x_sensors[i].temperature);
+
+    char types[11]; // AHT1X-0x38
+    snprintf_P(types, sizeof(types), PSTR("%s%c0x%02X"), aht1x_sensors[i].types, IndexSeparator(), aht1x_sensors[i].address);  // "X-0xXX"
     char temperature[33];
-    dtostrfd(AHT10.temperature, Settings.flag2.temperature_resolution, temperature);
+    dtostrfd(tem, Settings.flag2.temperature_resolution, temperature);
     char humidity[33];
-    dtostrfd(AHT10.humidity, Settings.flag2.humidity_resolution, humidity);
+    dtostrfd(hum, Settings.flag2.humidity_resolution, humidity);
+    char dewpoint[33];
+    dtostrfd(dew, Settings.flag2.temperature_resolution, dewpoint);
 
     if (json) {
-      ResponseAppend_P(JSON_SNS_TEMPHUM, AHT10.name, temperature, humidity);
-#ifdef USE_DOMOTICZ
-      if ((0 == tele_period)) {
-        DomoticzTempHumSensor(temperature, humidity);
-      }
-#endif // USE_DOMOTICZ
-#ifdef USE_KNX
-      if (0 == tele_period) {
-        KnxSensor(KNX_TEMPERATURE, AHT10.temperature);
-        KnxSensor(KNX_HUMIDITY, AHT10.humidity);
-      }
-#endif // USE_KNX
-#ifdef USE_WEBSERVER
-    } else {
-      WSContentSend_PD(HTTP_SNS_TEMP, AHT10.name, temperature, TempUnit());
-      WSContentSend_PD(HTTP_SNS_HUM, AHT10.name, humidity);
-#endif // USE_WEBSERVER
+      //ResponseAppend_P(JSON_SNS_TEMPHUM, types, temperature, humidity);
+      ResponseAppend_P(JSON_SNS_TEMPHUMDEW, types, temperature, humidity, dewpoint);
+ #ifdef USE_DOMOTICZ
+    if ((0 == tele_period) && (0 == i));  // <-- fails
+    {
+      DomoticzTempHumSensor(temperature, humidity);
     }
+ #endif  // USE_DOMOTICZ
+ #ifdef USE_KNX
+    if (0 == tele_period)
+    {
+      KnxSensor(KNX_TEMPERATURE, tem);
+      KnxSensor(KNX_HUMIDITY, hum);
+    }
+ #endif  // USE_KNX
+ #ifdef USE_WEBSERVER
+    }
+    else
+    {
+      WSContentSend_PD(HTTP_SNS_TEMP, types, temperature, TempUnit());
+      WSContentSend_PD(HTTP_SNS_HUM, types, humidity);
+      WSContentSend_PD(HTTP_SNS_DEW, types, dewpoint,TempUnit());
+ #endif  // USE_WEBSERVER
+      }
+   }
+}
+*/
+void AHT1XShow(bool json)
+{
+  for (uint32_t i = 0; i < aht1x_count; i++) {
+    float tem = ConvertTemp(aht1x_sensors[i].temperature);
+    float hum = ConvertHumidity(aht1x_sensors[i].humidity);
+    char types[11]; // AHT1X-0x38
+    snprintf_P(types, sizeof(types), PSTR("%s%c0x%02X"), aht1x_sensors[i].types, IndexSeparator(), aht1x_sensors[i].address);  // "X-0xXX"
+    TempHumDewShow(json, ((0 == tele_period) && (0 == i)), types, tem, hum);
   }
 }
 
@@ -171,29 +220,28 @@ void AHT10Show(bool json)
 bool Xsns63(uint8_t function)
 {
   if (!I2cEnabled(XI2C_43)) { return false; }
-
   bool result = false;
 
   if (FUNC_INIT == function) {
-    AHT10Detect();
+    AHT1XDetect();
   }
-  else if (AHT10.count) {
+  else if (aht1x_count){
     switch (function) {
-    case FUNC_EVERY_SECOND:
-      AHT10EverySecond();
-      break;
-    case FUNC_JSON_APPEND:
-      AHT10Show(1);
-      break;
-#ifdef USE_WEBSERVER
-    case FUNC_WEB_SENSOR:
-      AHT10Show(0);
-      break;
-#endif  // USE_WEBSERVER
+      case FUNC_EVERY_100_MSECOND:
+        AHT1XPoll();
+        break;
+      case FUNC_JSON_APPEND:
+        AHT1XShow(1);
+        break;
+  #ifdef USE_WEBSERVER
+      case FUNC_WEB_SENSOR:
+        AHT1XShow(0);
+        break;
+  #endif  // USE_WEBSERVER
     }
   }
   return result;
 }
 
-#endif  // USE_AHT10
-#endif  // USE_I2C
+#endif  // USE_AHT1X
+#endif  // USE_I2C
\ No newline at end of file