diff --git a/tools/esp8266/app.cpp b/tools/esp8266/app.cpp
index 866ae25f..eaa3678a 100644
--- a/tools/esp8266/app.cpp
+++ b/tools/esp8266/app.cpp
@@ -7,14 +7,13 @@
 
 //-----------------------------------------------------------------------------
 app::app() : Main() {
-    mSendTicker = new Ticker();
-    mFlagSend   = false;
+    mSendTicker   = 0xffffffff;
+    mSendInterval = 0;
+    mMqttTicker   = 0xffffffff;
+    mMqttInterval = 0;
 
     mShowRebootRequest = false;
 
-    mMqttTicker = NULL;
-    mMqttEvt    = false;
-
 
     memset(mCmds, 0, sizeof(uint32_t)*DBG_CMD_LIST_LEN);
     //memset(mChannelStat, 0, sizeof(uint32_t) * 4);
@@ -43,7 +42,6 @@ void app::setup(const char *ssid, const char *pwd, uint32_t timeout) {
     mWeb->on("/mqttstate", std::bind(&app::showMqtt,       this));
 
     if(mSettingsValid) {
-        uint16_t interval;
         uint64_t invSerial;
         char invName[MAX_NAME_LENGTH + 1] = {0};
         uint8_t invType;
@@ -59,10 +57,10 @@ void app::setup(const char *ssid, const char *pwd, uint32_t timeout) {
             }
         }
 
-        mEep->read(ADDR_INV_INTERVAL, &interval);
-        if(interval < 1000)
-            interval = 1000;
-        mSendTicker->attach_ms(interval, std::bind(&app::sendTicker, this));
+        mEep->read(ADDR_INV_INTERVAL, &mSendInterval);
+        if(mSendInterval < 1000)
+            mSendInterval = 1000;
+        mSendTicker = 0;
 
 
         // pinout
@@ -84,17 +82,16 @@ void app::setup(const char *ssid, const char *pwd, uint32_t timeout) {
         mEep->read(ADDR_MQTT_USER,     mqttUser,  MQTT_USER_LEN);
         mEep->read(ADDR_MQTT_PWD,      mqttPwd,   MQTT_PWD_LEN);
         mEep->read(ADDR_MQTT_TOPIC,    mqttTopic, MQTT_TOPIC_LEN);
-        mEep->read(ADDR_MQTT_INTERVAL, &interval);
+        mEep->read(ADDR_MQTT_INTERVAL, &mMqttInterval);
         mEep->read(ADDR_MQTT_PORT,     &mqttPort);
 
         char addr[16] = {0};
         sprintf(addr, "%d.%d.%d.%d", mqttAddr[0], mqttAddr[1], mqttAddr[2], mqttAddr[3]);
 
-        if(interval < 1000)
-            interval = 1000;
+        if(mMqttInterval < 1000)
+            mMqttInterval = 1000;
         mMqtt.setup(addr, mqttTopic, mqttUser, mqttPwd, mqttPort);
-        mMqttTicker = new Ticker();
-        mMqttTicker->attach_ms(interval, std::bind(&app::mqttTicker, this));
+        mMqttTicker = 0;
 
         mMqtt.sendMsg("version", mVersion);
     }
@@ -157,15 +154,13 @@ void app::loop(void) {
         mSys->BufCtrl.popBack();
     }
 
-    if(mFlagSend) {
-        mFlagSend = false;
+    if(checkTicker(&mSendTicker, &mSendInterval)) {
         Inverter<> *inv;
         for(uint8_t i = 0; i < MAX_NUM_INVERTERS; i ++) {
             inv = mSys->getInverterByPos(i);
             if(NULL != inv) {
                 mSys->Radio.sendTimePacket(inv->radioId.u64, mTimestamp);
                 yield();
-                //delay(100);
             }
         }
     }
@@ -173,8 +168,7 @@ void app::loop(void) {
 
     // mqtt
     mMqtt.loop();
-    if(mMqttEvt) {
-        mMqttEvt = false;
+    if(checkTicker(&mMqttTicker, &mMqttInterval)) {
         mMqtt.isConnected(true);
         char topic[30], val[10];
         for(uint8_t id = 0; id < mSys->getNumInverters(); id++) {
@@ -185,7 +179,6 @@ void app::loop(void) {
                         snprintf(topic, 30, "%s/ch%d/%s", iv->name, iv->assign[i].ch, fields[iv->assign[i].fieldId]);
                         snprintf(val, 10, "%.3f", iv->getValue(i));
                         mMqtt.sendMsg(topic, val);
-                        //delay(20);
                         yield();
                     }
                 }
@@ -193,7 +186,6 @@ void app::loop(void) {
         }
 
         // Serial debug
-        //char topic[30], val[10];
         for(uint8_t id = 0; id < mSys->getNumInverters(); id++) {
             Inverter<> *iv = mSys->getInverterByPos(id);
             if(NULL != iv) {
@@ -217,18 +209,6 @@ void app::handleIntr(void) {
 }
 
 
-//-----------------------------------------------------------------------------
-void app::sendTicker(void) {
-    mFlagSend = true;
-}
-
-
-//-----------------------------------------------------------------------------
-void app::mqttTicker(void) {
-    mMqttEvt = true;
-}
-
-
 //-----------------------------------------------------------------------------
 void app::showIndex(void) {
     String html = FPSTR(index_html);
@@ -371,6 +351,8 @@ void app::showStatistics(void) {
     }
     content += String("other: ") + String(mCmds[DBG_CMD_LIST_LEN]) + String("\n\n");
 
+    content += "Send Cnt: " + String(mSys->Radio.mSendCnt) + String("\n\n");
+
     /*content += "\nCHANNELs:\n";
     content += String("23: ") + String(mChannelStat[0]) + String("\n");
     content += String("40: ") + String(mChannelStat[1]) + String("\n");
@@ -410,7 +392,21 @@ void app::showLiveData(void) {
                 case INV_TYPE_HM1200: modNum = 4; break;
             }
 
-            modHtml += "<div class=\"ch-group\"><h3>" + String(iv->name) + "</h3>";
+            modHtml += "<div class=\"iv\">";
+            modHtml += "<div class=\"ch-iv\"><span class=\"head\">" + String(iv->name) + "</span>";
+            uint8_t list[8] = {FLD_UAC, FLD_IAC, FLD_PAC, FLD_F, FLD_PCT, FLD_T, FLD_YT, FLD_YD};
+
+            for(uint8_t fld = 0; fld < 8; fld++) {
+                pos = (iv->getPosByChFld(CH0, list[fld]));
+                if(0xff != pos) {
+                    modHtml += "<div class=\"subgrp\">";
+                    modHtml += "<span class=\"value\">" + String(iv->getValue(pos));
+                    modHtml += "<span class=\"unit\">" + String(iv->getUnit(pos)) + "</span></span>";
+                    modHtml += "<span class=\"info\">" + String(iv->getFieldName(pos)) + "</span>";
+                    modHtml += "</div>";
+                }
+            }
+            modHtml += "</div>";
 
             for(uint8_t ch = 1; ch <= modNum; ch ++) {
                 modHtml += "<div class=\"ch\"><span class=\"head\">CHANNEL " + String(ch) + "</span>";
diff --git a/tools/esp8266/app.h b/tools/esp8266/app.h
index 75ae6cd5..65225306 100644
--- a/tools/esp8266/app.h
+++ b/tools/esp8266/app.h
@@ -40,9 +40,6 @@ class app : public Main {
         }
 
     private:
-        void sendTicker(void);
-        void mqttTicker(void);
-
         void showIndex(void);
         void showSetup(void);
         void showSave(void);
@@ -74,8 +71,8 @@ class app : public Main {
 
         HmSystemType *mSys;
 
-        Ticker *mSendTicker;
-        bool mFlagSend;
+        uint32_t mSendTicker;
+        uint16_t mSendInterval;
 
         uint32_t mCmds[DBG_CMD_LIST_LEN+1];
         //uint32_t mChannelStat[4];
@@ -83,8 +80,8 @@ class app : public Main {
 
         // mqtt
         mqtt mMqtt;
-        Ticker *mMqttTicker;
-        bool mMqttEvt;
+        uint32_t mMqttTicker;
+        uint16_t mMqttInterval;
 };
 
 #endif /*__APP_H__*/
diff --git a/tools/esp8266/defines.h b/tools/esp8266/defines.h
index 75313155..0dc7a83f 100644
--- a/tools/esp8266/defines.h
+++ b/tools/esp8266/defines.h
@@ -25,7 +25,7 @@
 //-------------------------------------
 #define VERSION_MAJOR       0
 #define VERSION_MINOR       3
-#define VERSION_PATCH       2
+#define VERSION_PATCH       3
 
 
 //-------------------------------------
diff --git a/tools/esp8266/hmRadio.h b/tools/esp8266/hmRadio.h
index 65a098a5..10075ada 100644
--- a/tools/esp8266/hmRadio.h
+++ b/tools/esp8266/hmRadio.h
@@ -206,6 +206,7 @@ class HmRadio {
         uint8_t pinIrq;
 
         uint8_t AmplifierPower;
+        uint32_t mSendCnt;
 
     private:
         void sendPacket(uint64_t invId, uint8_t buf[], uint8_t len) {
@@ -265,7 +266,6 @@ class HmRadio {
         RF24 mNrf24;
         uint8_t mSendChannel;
         BUFFER *mBufCtrl;
-        uint32_t mSendCnt;
         uint8_t mSendBuf[MAX_RF_PAYLOAD_SIZE];
 };
 
diff --git a/tools/esp8266/html/h/style_css.h b/tools/esp8266/html/h/style_css.h
index 491afc1e..128b9ca5 100644
--- a/tools/esp8266/html/h/style_css.h
+++ b/tools/esp8266/html/h/style_css.h
@@ -1,4 +1,4 @@
 #ifndef __STYLE_H__
 #define __STYLE_H__
-const char style_css[] PROGMEM = "h1 {margin:0;padding:20pt;font-size:22pt;color:#fff;background-color:#006ec0;display:block;text-transform:uppercase;}html, body {font-family:Arial;margin:0;padding:0;}p {text-align:justify;font-size:13pt;}.des {margin-top:35px;font-size:14pt;color:#006ec0;}.subdes {font-size:13pt;color:#006ec0;margin-left:7px;}.fw {width:60px;display:block;float:left;}.color {width:50px;height:50px;border:1px solid #ccc;}.range {width:300px;}a:link, a:visited {text-decoration:none;font-size:13pt;color:#006ec0;}a:hover, a:focus {color:#f00;}a.erase {background-color:#006ec0;color:#fff;padding:7px;display:inline-block;margin-top:30px;float:right;}#content {padding:15px 15px 60px 15px;}#footer {position:fixed;bottom:0px;height:45px;background-color:#006ec0;width:100%;}#footer p {color:#fff;padding-left:20px;padding-right:20px;font-size:10pt !important;}#footer a {color:#fff;}div.content {background-color:#fff;padding-bottom:65px;overflow:hidden;}input, select {padding:7px;font-size:13pt;}input.text, select {width:70%;box-sizing:border-box;margin-bottom:10px;border:1px solid #ccc;}input.btn {background-color:#006ec0;color:#fff;border:0px;float:right;margin:10px 0 30px;text-transform:uppercase;}input.cb {margin-bottom:20px;}label {width:20%;display:inline-block;font-size:12pt;padding-right:10px;margin-left:10px;}.left {float:left;}.right {float:right;}div.ch-group {display:inline-block;}div.ch {width:250px;height:410px;background-color:#006ec0;display:inline-block;margin-right:20px;margin-bottom:20px;}div.ch .value, div.ch .info, div.ch .head {color:#fff;display:block;width:100%;text-align:center;}div.ch .unit {font-size:19px;margin-left:10px;}div.ch .value {margin-top:20px;font-size:30px;}div.ch .info {margin-top:3px;font-size:10px;}div.ch .head {background-color:#003c80;padding:10px 0 10px 0;}";
+const char style_css[] PROGMEM = "h1 {margin:0;padding:20pt;font-size:22pt;color:#fff;background-color:#006ec0;display:block;text-transform:uppercase;}html, body {font-family:Arial;margin:0;padding:0;}p {text-align:justify;font-size:13pt;}.des {margin-top:35px;font-size:14pt;color:#006ec0;}.subdes {font-size:13pt;color:#006ec0;margin-left:7px;}.fw {width:60px;display:block;float:left;}.color {width:50px;height:50px;border:1px solid #ccc;}.range {width:300px;}a:link, a:visited {text-decoration:none;font-size:13pt;color:#006ec0;}a:hover, a:focus {color:#f00;}a.erase {background-color:#006ec0;color:#fff;padding:7px;display:inline-block;margin-top:30px;float:right;}#content {padding:15px 15px 60px 15px;}#footer {position:fixed;bottom:0px;height:45px;background-color:#006ec0;width:100%;}#footer p {color:#fff;padding-left:20px;padding-right:20px;font-size:10pt !important;}#footer a {color:#fff;}div.content {background-color:#fff;padding-bottom:65px;overflow:hidden;}input, select {padding:7px;font-size:13pt;}input.text, select {width:70%;box-sizing:border-box;margin-bottom:10px;border:1px solid #ccc;}input.btn {background-color:#006ec0;color:#fff;border:0px;float:right;margin:10px 0 30px;text-transform:uppercase;}input.cb {margin-bottom:20px;}label {width:20%;display:inline-block;font-size:12pt;padding-right:10px;margin-left:10px;}.left {float:left;}.right {float:right;}div.ch-iv {width:100%;background-color:#32b004;display:inline-block;margin-bottom:20px;padding-bottom:20px;}div.ch {width:250px;height:410px;background-color:#006ec0;display:inline-block;margin-right:20px;margin-bottom:20px;}div.ch .value, div.ch .info, div.ch .head, div.ch-iv  .value, div.ch-iv .info, div.ch-iv .head {color:#fff;display:block;width:100%;text-align:center;}.subgrp {float:left;width:250px;}div.ch .unit, div.ch-iv .unit {font-size:19px;margin-left:10px;}div.ch .value, div.ch-iv .value {margin-top:20px;font-size:30px;}div.ch .info, div.ch-iv .info {margin-top:3px;font-size:10px;}div.ch .head {background-color:#003c80;padding:10px 0 10px 0;}div.ch-iv .head {background-color:#1c6800;padding:10px 0 10px 0;}div.iv {max-width:1060px;}div.ch:last-child {margin-right:0px !important;}";
 #endif /*__STYLE_H__*/
diff --git a/tools/esp8266/html/style.css b/tools/esp8266/html/style.css
index 88c1b57c..c92fa950 100644
--- a/tools/esp8266/html/style.css
+++ b/tools/esp8266/html/style.css
@@ -136,8 +136,12 @@ label {
     float: right;
 }
 
-div.ch-group {
+div.ch-iv {
+    width: 100%;
+    background-color: #32b004;
     display: inline-block;
+    margin-bottom: 20px;
+    padding-bottom: 20px;
 }
 
 div.ch {
@@ -148,24 +152,29 @@ div.ch {
     margin-right: 20px;
     margin-bottom: 20px;
 }
-div.ch .value, div.ch .info, div.ch .head {
+div.ch .value, div.ch .info, div.ch .head, div.ch-iv  .value, div.ch-iv .info, div.ch-iv .head {
     color: #fff;
     display: block;
     width: 100%;
     text-align: center;
 }
 
-div.ch .unit {
+.subgrp {
+    float: left;
+    width: 250px;
+}
+
+div.ch .unit, div.ch-iv .unit {
     font-size: 19px;
     margin-left: 10px;
 }
 
-div.ch .value {
+div.ch .value, div.ch-iv .value {
     margin-top: 20px;
     font-size: 30px;
 }
 
-div.ch .info {
+div.ch .info, div.ch-iv .info {
     margin-top: 3px;
     font-size: 10px;
 }
@@ -174,3 +183,16 @@ div.ch .head {
     background-color: #003c80;
     padding: 10px 0 10px 0;
 }
+
+div.ch-iv .head {
+    background-color: #1c6800;
+    padding: 10px 0 10px 0;
+}
+
+div.iv {
+    max-width: 1060px;
+}
+
+div.ch:last-child {
+    margin-right: 0px !important;
+}
diff --git a/tools/esp8266/main.cpp b/tools/esp8266/main.cpp
index 25b68c71..83fbef80 100644
--- a/tools/esp8266/main.cpp
+++ b/tools/esp8266/main.cpp
@@ -23,10 +23,9 @@ Main::Main(void) {
     mEep = new eep();
     Serial.begin(115200);
 
-    mUptimeSecs = 0;
-    mUptimeTicker = new Ticker();
-    mUptimeTicker->attach(1, std::bind(&Main::uptimeTicker, this));
-
+    mUptimeSecs     = 0;
+    mUptimeTicker   = 0xffffffff;
+    mUptimeInterval = 1000;
 }
 
 
@@ -67,6 +66,11 @@ void Main::loop(void) {
     if(mApActive)
         mDns->processNextRequest();
     mWeb->handleClient();
+
+    if(checkTicker(&mUptimeTicker, &mUptimeInterval)) {
+        mUptimeSecs++;
+        mTimestamp++;
+    }
 }
 
 
@@ -271,14 +275,6 @@ void Main::showReboot(void) {
 }
 
 
-
-//-----------------------------------------------------------------------------
-void Main::uptimeTicker(void) {
-    mUptimeSecs++;
-    mTimestamp++;
-}
-
-
 //-----------------------------------------------------------------------------
 time_t Main::getNtpTime(void) {
     time_t date = 0;
diff --git a/tools/esp8266/main.h b/tools/esp8266/main.h
index 6e096789..fede73a0 100644
--- a/tools/esp8266/main.h
+++ b/tools/esp8266/main.h
@@ -6,7 +6,6 @@
 #include <ESP8266WiFi.h>
 #include <DNSServer.h>
 #include <ESP8266WebServer.h>
-#include <Ticker.h>
 
 #include <ESP8266HTTPUpdateServer.h>
 
@@ -64,6 +63,20 @@ class Main {
             } while(addr < ADDR_START_SETTINGS);
         }
 
+        inline bool checkTicker(uint32_t *ticker, uint16_t *interval) {
+            uint32_t mil = millis();
+            if(mil >= *ticker) {
+                *ticker = mil + *interval;
+                return true;
+            }
+            else if(mil < (*ticker - *interval)) {
+                *ticker = mil + *interval;
+                return true;
+            }
+
+            return false;
+        }
+
         char mStationSsid[SSID_LEN];
         char mStationPwd[PWD_LEN];
         bool mWifiSettingsValid;
@@ -87,14 +100,13 @@ class Main {
         void showUptime(void);
         void showTime(void);
         void showCss(void);
-        void uptimeTicker(void);
-
 
         time_t getNtpTime(void);
         void sendNTPpacket(IPAddress& address);
         time_t offsetDayLightSaving (uint32_t local_t);
 
-        Ticker *mUptimeTicker;
+        uint32_t mUptimeTicker;
+        uint16_t mUptimeInterval;
         uint32_t mUptimeSecs;
 
         DNSServer *mDns;