diff --git a/sonoff/_releasenotes.ino b/sonoff/_releasenotes.ino
index 02ea82c75..533199886 100644
--- a/sonoff/_releasenotes.ino
+++ b/sonoff/_releasenotes.ino
@@ -1,7 +1,10 @@
 /* 5.14.0a
  * Add Eastron SDM630 energy meter (#2735)
  * Add KNX communication enhancement (#2742)
+ * Add KNX energy data (#2750)
+ * Fix display selection of un-available GPIO options in Module Configuration webpage (#2718)
  * Fix timer re-trigger within one minute after restart (#2744)
+ * Fix IRSend not accepting data value of 0 (#2751)
  *
  * 5.14.0 20180515
  * Update language files
diff --git a/sonoff/sonoff.h b/sonoff/sonoff.h
index 47fec4645..a4077c8f1 100644
--- a/sonoff/sonoff.h
+++ b/sonoff/sonoff.h
@@ -132,16 +132,16 @@ typedef unsigned long power_t;              // Power (Relay) type
 #define DAWN_ASTRONOMIC        -18.0
 
 // Sensor definition for KNX Driver
-#define KNX_TEMPERATURE 17
-#define KNX_HUMIDITY 18
-#define KNX_ENERGY_VOLTAGE 19
-#define KNX_ENERGY_CURRENT 20
-#define KNX_ENERGY_POWER 21
+#define KNX_TEMPERATURE        17
+#define KNX_HUMIDITY           18
+#define KNX_ENERGY_VOLTAGE     19
+#define KNX_ENERGY_CURRENT     20
+#define KNX_ENERGY_POWER       21
 #define KNX_ENERGY_POWERFACTOR 22
-#define KNX_ENERGY_DAILY 23
-#define KNX_ENERGY_START 24
-#define KNX_ENERGY_TOTAL 25
-#define KNX_MAX_device_param 25
+#define KNX_ENERGY_DAILY       23
+#define KNX_ENERGY_START       24
+#define KNX_ENERGY_TOTAL       25
+#define KNX_MAX_device_param   25
 
 /*********************************************************************************************\
  * Enumeration
@@ -192,4 +192,4 @@ const uint8_t kDefaultRfCode[9] PROGMEM = { 0x21, 0x16, 0x01, 0x0E, 0x03, 0x48,
 
 extern uint8_t light_device;  // Light device number
 
-#endif  // _SONOFF_H_
+#endif  // _SONOFF_H_
\ No newline at end of file
diff --git a/sonoff/webserver.ino b/sonoff/webserver.ino
index 3c74d346a..e9f9eded5 100644
--- a/sonoff/webserver.ino
+++ b/sonoff/webserver.ino
@@ -660,6 +660,50 @@ boolean GetUsedInModule(byte val, uint8_t *arr)
 #endif
 #ifndef USE_IR_REMOTE
   if (GPIO_IRSEND == val) { return true; }
+#ifndef USE_IR_RECEIVE
+  if (GPIO_IRRECV == val) { return true; }
+#endif
+#endif
+#ifndef USE_MHZ19
+  if (GPIO_MHZ_TXD == val) { return true; }
+  if (GPIO_MHZ_RXD == val) { return true; }
+#endif
+#ifndef USE_PZEM004T
+  if (GPIO_PZEM_TX == val) { return true; }
+  if (GPIO_PZEM_RX == val) { return true; }
+#endif
+#ifndef USE_SENSEAIR
+  if (GPIO_SAIR_TX == val) { return true; }
+  if (GPIO_SAIR_RX == val) { return true; }
+#endif
+#ifndef USE_SPI
+  if (GPIO_SPI_CS == val) { return true; }
+  if (GPIO_SPI_DC == val) { return true; }
+#endif
+#ifndef USE_DISPLAY
+  if (GPIO_BACKLIGHT == val) { return true; }
+#endif
+#ifndef USE_PMS5003
+  if (GPIO_PMS5003 == val) { return true; }
+#endif
+#ifndef USE_NOVA_SDS
+  if (GPIO_SDS0X1 == val) { return true; }
+#endif
+#ifndef USE_SERIAL_BRIDGE
+  if (GPIO_SBR_TX == val) { return true; }
+  if (GPIO_SBR_RX == val) { return true; }
+#endif
+#ifndef USE_SR04
+  if (GPIO_SR04_TRIG == val) { return true; }
+  if (GPIO_SR04_ECHO == val) { return true; }
+#endif
+#ifndef USE_SDM120
+  if (GPIO_SDM120_TX == val) { return true; }
+  if (GPIO_SDM120_RX == val) { return true; }
+#endif
+#ifndef USE_SDM630
+  if (GPIO_SDM630_TX == val) { return true; }
+  if (GPIO_SDM630_RX == val) { return true; }
 #endif
   if ((val >= GPIO_REL1) && (val < GPIO_REL1 + MAX_RELAYS)) {
     offset = (GPIO_REL1_INV - GPIO_REL1);
diff --git a/sonoff/xdrv_02_irremote.ino b/sonoff/xdrv_02_irremote.ino
index 99f4dfed7..e2d4a1019 100644
--- a/sonoff/xdrv_02_irremote.ino
+++ b/sonoff/xdrv_02_irremote.ino
@@ -298,7 +298,7 @@ boolean IrSendCommand()
         protocol = root[UpperCase_P(parm_uc, PSTR(D_JSON_IR_PROTOCOL))];
         bits = root[UpperCase_P(parm_uc, PSTR(D_JSON_IR_BITS))];
         data = strtoul(root[UpperCase_P(parm_uc, PSTR(D_JSON_IR_DATA))], NULL, 0);
-        if (protocol && bits && data) {
+        if (protocol && bits) {
           int protocol_code = GetCommandCode(protocol_text, sizeof(protocol_text), protocol, kIrRemoteProtocols);
 
           snprintf_P(log_data, sizeof(log_data), PSTR("IRS: protocol_text %s, protocol %s, bits %d, data %u (0x%lX), protocol_code %d"),
@@ -384,7 +384,7 @@ boolean IrSendCommand()
   }
 #endif // USE_IR_HVAC
   else serviced = false; // Unknown command
-  
+
   return serviced;
 }
 
diff --git a/sonoff/xdrv_03_energy.ino b/sonoff/xdrv_03_energy.ino
index 8eca675f3..b3d717d65 100644
--- a/sonoff/xdrv_03_energy.ino
+++ b/sonoff/xdrv_03_energy.ino
@@ -1187,4 +1187,4 @@ boolean Xsns03(byte function)
   return result;
 }
 
-#endif  // USE_ENERGY_SENSOR
+#endif  // USE_ENERGY_SENSOR
\ No newline at end of file
diff --git a/sonoff/xdrv_11_knx.ino b/sonoff/xdrv_11_knx.ino
index 2393cbe4a..84bd9de23 100644
--- a/sonoff/xdrv_11_knx.ino
+++ b/sonoff/xdrv_11_knx.ino
@@ -970,4 +970,4 @@ boolean Xdrv11(byte function)
   return result;
 }
 
-#endif  // USE_KNX
+#endif  // USE_KNX
\ No newline at end of file