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Michael Clemens // DK1MI
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ESP32RemotePowerAmplifierMonitor.ino
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151
ESP32RemotePowerAmplifierMonitor.ino
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/****************************************************************************************************************************
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Remote PA Monitor - solution to remotely monitor RF power, SWR and more of QO-100 power amplifiers
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For Ethernet shields using WT32_ETH01 (ESP32 + LAN8720)
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Uses WebServer_WT32_ETH01, a library for the Ethernet LAN8720 in WT32_ETH01 to run WebServer
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Based on and modified from ESP8266 https://github.com/esp8266/Arduino/releases
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Based on Built by Khoi Hoang https://github.com/khoih-prog/WebServer_WT32_ETH01
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Adapted by Michael Clemens
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Licensed under MIT license
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Copyright (c) 2015, Majenko Technologies
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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Neither the name of Majenko Technologies nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************************************************************/
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#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
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// Debug Level from 0 to 4
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#define _ETHERNET_WEBSERVER_LOGLEVEL_ 1
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#include <WebServer_WT32_ETH01.h>
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#include "index.h" //Web page header file
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#ifdef __cplusplus
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extern "C" {
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#endif
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uint8_t temprature_sens_read();
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#ifdef __cplusplus
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}
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#endif
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uint8_t temprature_sens_read();
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int IO2_FWD = 2;
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int IO4_REF = 4;
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WebServer server(80);
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// Select the IP address according to your local network
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IPAddress myIP(192, 168, 88, 247);
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IPAddress myGW(192, 168, 88, 1);
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IPAddress mySN(255, 255, 255, 0);
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// Google DNS Server IP
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IPAddress myDNS(8, 8, 8, 8);
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void handleRoot()
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{
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String s = MAIN_page; //Read HTML contents
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server.send(200, "text/html", s); //Send web page
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}
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void handleNotFound()
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{
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String message = F("File Not Found\n\n");
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message += F("URI: ");
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message += server.uri();
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message += F("\nMethod: ");
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message += (server.method() == HTTP_GET) ? F("GET") : F("POST");
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message += F("\nArguments: ");
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message += server.args();
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message += F("\n");
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for (uint8_t i = 0; i < server.args(); i++)
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{
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message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
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}
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server.send(404, F("text/plain"), message);
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}
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void handleFWD() {
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String fwdValue = String(analogReadMilliVolts(IO2_FWD));
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server.send(200, "text/plane", fwdValue); //Send ADC value only to client ajax request
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}
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void handleREF() {
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String refValue = String(analogReadMilliVolts(IO4_REF));
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server.send(200, "text/plane", refValue); //Send ADC value only to client ajax request
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}
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void handleTEMP() {
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int a = (temprature_sens_read() - 32) / 1.8;
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String tempValue = String(a);
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server.send(200, "text/plane", tempValue); //Send ADC value only to client ajax request
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}
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void setup()
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{
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analogReadResolution(12);
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Serial.begin(115200);
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while (!Serial);
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// Using this if Serial debugging is not necessary or not using Serial port
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//while (!Serial && (millis() < 3000));
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Serial.print("\nStarting AdvancedWebServer on " + String(ARDUINO_BOARD));
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Serial.println(" with " + String(SHIELD_TYPE));
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Serial.println(WEBSERVER_WT32_ETH01_VERSION);
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// To be called before ETH.begin()
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WT32_ETH01_onEvent();
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ETH.begin(ETH_PHY_ADDR, ETH_PHY_POWER);
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// Static IP, leave without this line to get IP via DHCP
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ETH.config(myIP, myGW, mySN, myDNS);
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WT32_ETH01_waitForConnect();
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server.on(F("/"), handleRoot);
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server.on("/readFWD", handleFWD);
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server.on("/readREF", handleREF);
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server.on("/readTEMP", handleTEMP);
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server.onNotFound(handleNotFound);
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server.begin();
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Serial.print(F("HTTP EthernetWebServer is @ IP : "));
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Serial.println(ETH.localIP());
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}
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void loop()
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{
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server.handleClient();
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}
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80
index.h
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index.h
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const char MAIN_page[] PROGMEM = R"=====(
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<!DOCTYPE html>
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<html>
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<style>
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.card{
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max-width: 250px;
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min-height: 200px;
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background: #02b875;
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padding: 30px;
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box-sizing: border-box;
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color: #FFF;
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margin:20px;
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box-shadow: 0px 2px 18px -4px rgba(0,0,0,0.75);
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}
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</style>
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<body>
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<div class="card">
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<h1>FWD Voltage</h1>
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<h1><span id="FWDValue">0</span>mV</h1>
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</div>
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<div class="card">
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<h1>REF Voltage</h1>
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<h1><span id="REFValue">0</span>mV</h1>
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</div>
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<div class="card">
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<h1>Temperature</h1>
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<h1><span id="TEMPValue">0</span>℃</h1>
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</div>
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<script>
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setInterval(function() {
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// Call a function repetatively with 1 Second interval
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getFWD();
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getREF();
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getTEMP();
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}, 1000); //1000mSeconds update rate
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function getFWD() {
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var xhttp = new XMLHttpRequest();
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xhttp.onreadystatechange = function() {
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if (this.readyState == 4 && this.status == 200) {
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document.getElementById("FWDValue").innerHTML =
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this.responseText;
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}
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};
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xhttp.open("GET", "readFWD", true);
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xhttp.send();
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}
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function getREF() {
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var xhttp = new XMLHttpRequest();
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xhttp.onreadystatechange = function() {
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if (this.readyState == 4 && this.status == 200) {
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document.getElementById("REFValue").innerHTML =
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this.responseText;
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}
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};
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xhttp.open("GET", "readREF", true);
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xhttp.send();
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}
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function getTEMP() {
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var xhttp = new XMLHttpRequest();
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xhttp.onreadystatechange = function() {
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if (this.readyState == 4 && this.status == 200) {
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document.getElementById("TEMPValue").innerHTML =
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this.responseText;
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}
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};
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xhttp.open("GET", "readTEMP", true);
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xhttp.send();
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}
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</script>
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</body>
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</html>
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)=====";
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