diff --git a/sonoff/language/bg-BG.h b/sonoff/language/bg-BG.h
index 7b1b7a918..b9b80e409 100644
--- a/sonoff/language/bg-BG.h
+++ b/sonoff/language/bg-BG.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/cs-CZ.h b/sonoff/language/cs-CZ.h
index e52c016ae..4dd4fee75 100644
--- a/sonoff/language/cs-CZ.h
+++ b/sonoff/language/cs-CZ.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/de-DE.h b/sonoff/language/de-DE.h
index fe56fd1e3..6c40194f1 100644
--- a/sonoff/language/de-DE.h
+++ b/sonoff/language/de-DE.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/el-GR.h b/sonoff/language/el-GR.h
index dd78f92f2..0d97ed1bb 100644
--- a/sonoff/language/el-GR.h
+++ b/sonoff/language/el-GR.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/en-GB.h b/sonoff/language/en-GB.h
index 24e8b51d2..011aaf57d 100644
--- a/sonoff/language/en-GB.h
+++ b/sonoff/language/en-GB.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/es-ES.h b/sonoff/language/es-ES.h
index 9195550a7..9606fe6dd 100644
--- a/sonoff/language/es-ES.h
+++ b/sonoff/language/es-ES.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/fr-FR.h b/sonoff/language/fr-FR.h
index 76b6c9a57..b62d1f66f 100644
--- a/sonoff/language/fr-FR.h
+++ b/sonoff/language/fr-FR.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/he-HE.h b/sonoff/language/he-HE.h
index f021da461..9dcce3b4d 100644
--- a/sonoff/language/he-HE.h
+++ b/sonoff/language/he-HE.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/hu-HU.h b/sonoff/language/hu-HU.h
index 396688de4..e5d0074d4 100644
--- a/sonoff/language/hu-HU.h
+++ b/sonoff/language/hu-HU.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/it-IT.h b/sonoff/language/it-IT.h
index f9d22f797..86fa01a67 100644
--- a/sonoff/language/it-IT.h
+++ b/sonoff/language/it-IT.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/ko-KO.h b/sonoff/language/ko-KO.h
index 009a293c3..41045c635 100644
--- a/sonoff/language/ko-KO.h
+++ b/sonoff/language/ko-KO.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/nl-NL.h b/sonoff/language/nl-NL.h
index 15b0cc1e8..5f06c626c 100644
--- a/sonoff/language/nl-NL.h
+++ b/sonoff/language/nl-NL.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/pl-PL.h b/sonoff/language/pl-PL.h
index c2222d820..088a552d1 100644
--- a/sonoff/language/pl-PL.h
+++ b/sonoff/language/pl-PL.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/pt-BR.h b/sonoff/language/pt-BR.h
index 51ead6a24..5c1d00807 100644
--- a/sonoff/language/pt-BR.h
+++ b/sonoff/language/pt-BR.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/pt-PT.h b/sonoff/language/pt-PT.h
index 50183aaa5..d4d7139ef 100644
--- a/sonoff/language/pt-PT.h
+++ b/sonoff/language/pt-PT.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/ru-RU.h b/sonoff/language/ru-RU.h
index 7236b0204..71905b925 100644
--- a/sonoff/language/ru-RU.h
+++ b/sonoff/language/ru-RU.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "А"
diff --git a/sonoff/language/sk-SK.h b/sonoff/language/sk-SK.h
index dab219890..092461cfe 100644
--- a/sonoff/language/sk-SK.h
+++ b/sonoff/language/sk-SK.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/sv-SE.h b/sonoff/language/sv-SE.h
index 0a2f99d5e..2af574665 100644
--- a/sonoff/language/sv-SE.h
+++ b/sonoff/language/sv-SE.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/tr-TR.h b/sonoff/language/tr-TR.h
index f2471f81c..fc758185b 100755
--- a/sonoff/language/tr-TR.h
+++ b/sonoff/language/tr-TR.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/sonoff/language/uk-UK.h b/sonoff/language/uk-UK.h
index 016ece4a9..e6e2d069a 100644
--- a/sonoff/language/uk-UK.h
+++ b/sonoff/language/uk-UK.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "А"
diff --git a/sonoff/language/zh-CN.h b/sonoff/language/zh-CN.h
index 3669262b2..b076b3f79 100644
--- a/sonoff/language/zh-CN.h
+++ b/sonoff/language/zh-CN.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "安"
diff --git a/sonoff/language/zh-TW.h b/sonoff/language/zh-TW.h
index e628fe77a..7ec20363a 100644
--- a/sonoff/language/zh-TW.h
+++ b/sonoff/language/zh-TW.h
@@ -591,6 +591,10 @@
 #define D_SENSOR_ZIGBEE_RXD    "Zigbee Rx"
 #define D_SENSOR_SOLAXX1_TX    "SolaxX1 Tx"
 #define D_SENSOR_SOLAXX1_RX    "SolaxX1 Rx"
+#define D_SENSOR_IBEACON_TX    "iBeacon TX"
+#define D_SENSOR_IBEACON_RX    "iBeacon RX"
+#define D_SENSOR_RDM6300_RX    "RDM6300 RX"
+#define D_SENSOR_CC1101_CS     "CC1101 CS"
 
 // Units
 #define D_UNIT_AMPERE "安"
diff --git a/sonoff/sonoff_template.h b/sonoff/sonoff_template.h
index 8da44f338..92f1b7c2e 100644
--- a/sonoff/sonoff_template.h
+++ b/sonoff/sonoff_template.h
@@ -191,6 +191,7 @@ enum UserSelectablePins {
   GPIO_SOLAXX1_RX,     // Solax Inverter rx pin
   GPIO_ZIGBEE_TX,      // Zigbee Serial interface
   GPIO_ZIGBEE_RX,      // Zigbee Serial interface
+  GPIO_RDM6300_RX,     // RDM6300 RX
   GPIO_SENSOR_END };
 
 // Programmer selectable GPIO functionality
@@ -262,6 +263,7 @@ const char kSensorNames[] PROGMEM =
   D_SENSOR_OLED_RESET "|"
   D_SENSOR_SOLAXX1_TX "|" D_SENSOR_SOLAXX1_RX "|"
   D_SENSOR_ZIGBEE_TXD "|" D_SENSOR_ZIGBEE_RXD "|"
+  D_SENSOR_RDM6300_RX "|"
   ;
 
 // User selectable ADC0 functionality
@@ -662,6 +664,9 @@ const uint8_t kGpioNiceList[] PROGMEM = {
   GPIO_SOLAXX1_TX,     // Solax Inverter tx pin
   GPIO_SOLAXX1_RX,     // Solax Inverter rx pin
 #endif
+#ifdef USE_RDM6300
+  GPIO_RDM6300_RX,
+#endif
 };
 
 const uint8_t kModuleNiceList[] PROGMEM = {
diff --git a/sonoff/xsns_51_rdm6300.ino b/sonoff/xsns_51_rdm6300.ino
new file mode 100644
index 000000000..7fc168d7d
--- /dev/null
+++ b/sonoff/xsns_51_rdm6300.ino
@@ -0,0 +1,178 @@
+/*
+  xsns_51_rdm6300.ino - Support for RDM6300 NFC Tag Reader
+
+  Copyright (C) 2019  Gerhard Mutz and Theo Arends
+
+  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/>.
+*/
+
+
+#ifdef USE_RDM6300
+
+#define XSNS_51                          51
+
+#define RDM6300_BAUDRATE 9600
+
+#include <TasmotaSerial.h>
+
+#define RDM_TIMEOUT 100
+char rdm_uid_str[10];
+
+// 2 seconds block time
+#define RDM6300_BLOCK 2*10
+
+uint8_t rdm_blcnt;
+TasmotaSerial *RDM6300_Serial = nullptr;
+
+void RDM6300_Init() {
+  if (pin[GPIO_RDM6300_RX] < 99) {
+    RDM6300_Serial = new TasmotaSerial(pin[GPIO_RDM6300_RX],-1,1);
+    if (RDM6300_Serial->begin(RDM6300_BAUDRATE)) {
+      if (RDM6300_Serial->hardwareSerial()) {
+        ClaimSerial();
+      }
+    }
+  }
+  rdm_blcnt=0;
+}
+
+// 14 bytes payload; // RFID DATA FRAME FORMAT: 1byte head (value: 2), 10byte data (2byte version + 8byte tag), 2byte checksum, 1byte tail (value: 3)
+void RDM6300_ScanForTag() {
+  char rdm_buffer[14];
+  uint8_t rdm_index;
+  uint8_t rdm_array[6];
+
+  if (!RDM6300_Serial) return;
+
+  if (rdm_blcnt>0) {
+    rdm_blcnt--;
+    while (RDM6300_Serial->available()) RDM6300_Serial->read();
+    return;
+  }
+
+  if (RDM6300_Serial->available()) {
+
+    char c=RDM6300_Serial->read();
+    if (c!=2) return;
+    // head detected
+    // read rest of message 11 more bytes
+    rdm_index=0;
+    uint32_t cmillis=millis();
+    while (1) {
+      if (RDM6300_Serial->available()) {
+        char c=RDM6300_Serial->read();
+        if (c==3) {
+          // tail marker
+          break;
+        }
+        rdm_buffer[rdm_index++]=c;
+        if (rdm_index>13) {
+          // illegal message
+          return;
+        }
+      }
+      if ((millis()-cmillis)>RDM_TIMEOUT) {
+        // timeout
+        return;
+      }
+    }
+
+    // block for 2 seconds
+    rdm_blcnt=RDM6300_BLOCK;
+
+    // calc checksum,
+    rm6300_hstring_to_array(rdm_array,sizeof(rdm_array),rdm_buffer);
+    uint8_t accu=0;
+    for (uint8_t count=0;count<5;count++) {
+      accu^=rdm_array[count];
+    }
+    if (accu!=rdm_array[5]) {
+      // checksum error
+      return;
+    }
+
+    // copy 4 hex bytes
+    memcpy(rdm_uid_str,&rdm_buffer[2],8);
+    rdm_uid_str[9]=0;
+
+    Response_P(PSTR("{\"" D_JSON_TIME "\":\"%s\""), GetDateAndTime(DT_LOCAL).c_str());
+    ResponseAppend_P(PSTR(",\"RDM6300\":{\"UID\":\"%s\"}}"), rdm_uid_str);
+    MqttPublishPrefixTopic_P(TELE, PSTR(D_RSLT_SENSOR), Settings.flag.mqtt_sensor_retain);
+/*
+    char command[24];
+    sprintf(command,"event RDM6300=%s",rdm_uid_str);
+    ExecuteCommand(command, SRC_RULE);
+    */
+  }
+
+
+}
+
+uint8_t rm6300_hexnibble(char chr) {
+  uint8_t rVal = 0;
+  if (isdigit(chr)) {
+    rVal = chr - '0';
+  } else  {
+    if (chr >= 'A' && chr <= 'F') rVal = chr + 10 - 'A';
+    if (chr >= 'a' && chr <= 'f') rVal = chr + 10 - 'a';
+  }
+  return rVal;
+}
+
+// convert hex string to int array
+void rm6300_hstring_to_array(uint8_t array[], uint8_t len, char buffer[])
+{
+  char *cp=buffer;
+  for (uint8_t i = 0; i < len; i++) {
+    uint8_t val = rm6300_hexnibble(*cp++) << 4;
+    array[i]= val | rm6300_hexnibble(*cp++);
+  }
+}
+
+#ifdef USE_WEBSERVER
+const char HTTP_RDM6300[] PROGMEM =
+ "{s}RDM6300 " "UID" "{m}%s" "{e}";
+
+void RDM6300_Show(void) {
+  if (!RDM6300_Serial) return;
+  if (!rdm_uid_str[0]) strcpy(rdm_uid_str,"????");
+  WSContentSend_PD(HTTP_RDM6300,rdm_uid_str);
+}
+#endif  // USE_WEBSERVER
+
+/*********************************************************************************************\
+ * Interface
+\*********************************************************************************************/
+
+bool Xsns51(byte function)
+{
+  bool result = false;
+
+    switch (function) {
+      case FUNC_INIT:
+        RDM6300_Init();
+        break;
+      case FUNC_EVERY_100_MSECOND:
+        RDM6300_ScanForTag();
+        break;
+#ifdef USE_WEBSERVER
+      case FUNC_WEB_SENSOR:
+        RDM6300_Show();
+        break;
+#endif  // USE_WEBSERVER
+    }
+    return result;
+}
+
+#endif  // USE_RDM6300