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class="md-toggle md-nav__toggle" data-md-toggle="toc" type="checkbox" id="__toc"> <label class="md-nav__link md-nav__link--active" for="__toc"> Custom Web pages w/o JSON </label> <a href="wojson.html" title="Custom Web pages w/o JSON" class="md-nav__link md-nav__link--active"> Custom Web pages w/o JSON </a> <nav class="md-nav md-nav--secondary"> <label class="md-nav__title" for="__toc">Table of contents</label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="#suppress-increase-in-memory-consumption" class="md-nav__link"> Suppress increase in memory consumption </a> </li> <li class="md-nav__item"> <a href="#writing-the-custom-web-pages-without-json" class="md-nav__link"> Writing the custom Web pages without JSON </a> </li> <li class="md-nav__item"> <a href="#implementation-example-without-arduinojson" class="md-nav__link"> Implementation example without ArduinoJson </a> </li> </ul> </nav> </li> </ul> </nav> </li> <li class="md-nav__item 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class="md-nav__item"> <a href="#implementation-example-without-arduinojson" class="md-nav__link"> Implementation example without ArduinoJson </a> </li> </ul> </nav> </div> </div> </div> <div class="md-content"> <article class="md-content__inner md-typeset"> <h1>Custom Web pages w/o JSON</h1> <h2 id="suppress-increase-in-memory-consumption">Suppress increase in memory consumption<a class="headerlink" href="#suppress-increase-in-memory-consumption" title="Permanent link">¶</a></h2> <p>Custom Web page processing consumes a lot of memory. AutoConnect will take a whole string of the JSON document for the custom Web pages into memory. The required buffer size for the JSON document of example sketch <em>mqttRSSI</em> reaches approximately 3000 bytes. And actually, it needs twice the heap area. Especially this constraint will be a problem with the ESP8266 which has a heap size poor.</p> <p>AutoConnect can handle custom Web pages without using JSON. In that case, since the ArduinoJson library will not be bound, the sketch size will also be reduced.</p> <h2 id="writing-the-custom-web-pages-without-json">Writing the custom Web pages without JSON<a class="headerlink" href="#writing-the-custom-web-pages-without-json" title="Permanent link">¶</a></h2> <p>To handle the custom Web pages without using JSON, follow the steps below.</p> <ol> <li>Create or define <a href="apiaux.html">AutoConnectAux</a> for each page.</li> <li>Create or define <a href="acelements.html">AutoConnectElement(s)</a>.</li> <li>Add <a href="acelements.html">AutoConnectElement(s)</a> to AutoConnectAux.</li> <li>Create more AutoConnectAux containing <a href="acelements.html">AutoConnectElement(s)</a>, if necessary.</li> <li>Register the request handlers for the custom Web pages.</li> <li><a href="api.html#join">Join</a> prepared AutoConnectAux(s) to AutoConnect.</li> <li>Invoke <a href="api.html#begin">AutoConnect::begin()</a>.</li> </ol> <p>In addition to the above procedure, to completely cut off for binding with the ArduinoJson library, turn off the ArduinoJson use indicator which is declared by the <a href="api.html#defined-macros">AutoConnect definitions</a>. Its declaration is in <strong>AutoConnectDefs.h</strong> file.<sup id="fnref:1"><a class="footnote-ref" href="#fn:1" rel="footnote">1</a></sup></p> <div class="codehilite" style="background: #272822"><pre style="line-height: 125%"><span></span><span style="color: #75715e">// Comment out the AUTOCONNECT_USE_JSON macro to detach the ArduinoJson.</span> <span style="color: #75715e">#define AUTOCONNECT_USE_JSON</span> </pre></div> <div class="admonition caution"> <p class="admonition-title">JSON processing will be disabled</p> <p>Commenting out the <strong>AUTOCONNECT_USE_JSON</strong> macro invalidates all functions related to JSON processing. If the sketch is using the JSON function, it will result in a compile error.</p> </div> <div class="admonition hint"> <p class="admonition-title">Exclude the ArduinoJson by each compile-time</p> <p>If you want to exclude ArduinoJson without changing the library code, specify the <strong>AUTOCONNECT_NOUSE_JSON</strong> directive as a compiler option according to the method described in the <a href="faq.html#how-do-i-detach-the-ardunojson">FAQ</a>.</p> </div> <h2 id="implementation-example-without-arduinojson">Implementation example without ArduinoJson<a class="headerlink" href="#implementation-example-without-arduinojson" title="Permanent link">¶</a></h2> <p>The code excluding JSON processing from the mqttRSSI sketch attached to the library is as follows. <small>(It is a part of code. Refer to mqttRSSI_NA.ino for the whole sketch.)</small></p> <p><i class="fa fa-code"></i> The JSON document for mqttRSSI</p> <p><div class="codehilite" style="background: #272822"><pre style="line-height: 125%"><span></span><span style="color: #f8f8f2">[</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"title"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"MQTT Setting"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"uri"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"/mqtt_setting"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"menu"</span><span style="color: #f8f8f2">:</span> <span style="color: #66d9ef">true</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"element"</span><span style="color: #f8f8f2">:</span> <span style="color: #f8f8f2">[</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"header"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACText"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"<h2>MQTT broker settings</h2>"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"style"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"text-align:center;color:#2f4f4f;padding:10px;"</span> <span style="color: #f8f8f2">},</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"caption"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACText"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"Publishing the WiFi signal strength to MQTT channel. RSSI value of ESP8266 to the channel created on ThingSpeak"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"style"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"font-family:serif;color:#4682b4;"</span> <span style="color: #f8f8f2">},</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"mqttserver"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACInput"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">""</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"label"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"Server"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"pattern"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\\-]*[a-zA-Z0-9])\\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\\-]*[A-Za-z0-9])$"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"placeholder"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"MQTT broker server"</span> <span style="color: #f8f8f2">},</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"channelid"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACInput"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"label"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"Channel ID"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"pattern"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"^[0-9]{6}$"</span> <span style="color: #f8f8f2">},</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"userkey"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACInput"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"label"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"User Key"</span> <span style="color: #f8f8f2">},</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"apikey"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACInput"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"label"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"API Key"</span> <span style="color: #f8f8f2">},</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"newline"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACElement"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"<hr>"</span> <span style="color: #f8f8f2">},</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"uniqueid"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACCheckbox"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"unique"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"label"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"Use APID unique"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"checked"</span><span style="color: #f8f8f2">:</span> <span style="color: #66d9ef">false</span> <span style="color: #f8f8f2">},</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"period"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACRadio"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #f8f8f2">[</span> <span style="color: #e6db74">"30 sec."</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"60 sec."</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"180 sec."</span> <span style="color: #f8f8f2">],</span> <span style="color: #f92672">"label"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"Update period"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"arrange"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"vertical"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"checked"</span><span style="color: #f8f8f2">:</span> <span style="color: #ae81ff">1</span> <span style="color: #f8f8f2">},</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"newline"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACElement"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"<hr>"</span> <span style="color: #f8f8f2">},</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"hostname"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACInput"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">""</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"label"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ESP host name"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"pattern"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"^([a-zA-Z0-9]([a-zA-Z0-9-])*[a-zA-Z0-9]){1,32}$"</span> <span style="color: #f8f8f2">},</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"save"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACSubmit"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"Save&amp;Start"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"uri"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"/mqtt_save"</span> <span style="color: #f8f8f2">},</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"discard"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACSubmit"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"Discard"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"uri"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"/"</span> <span style="color: #f8f8f2">}</span> <span style="color: #f8f8f2">]</span> <span style="color: #f8f8f2">},</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"title"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"MQTT Setting"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"uri"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"/mqtt_save"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"menu"</span><span style="color: #f8f8f2">:</span> <span style="color: #66d9ef">false</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"element"</span><span style="color: #f8f8f2">:</span> <span style="color: #f8f8f2">[</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"caption"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACText"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"<h4>Parameters saved as:</h4>"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"style"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"text-align:center;color:#2f4f4f;padding:10px;"</span> <span style="color: #f8f8f2">},</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"parameters"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACText"</span> <span style="color: #f8f8f2">},</span> <span style="color: #f8f8f2">{</span> <span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"clear"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACSubmit"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"Clear channel"</span><span style="color: #f8f8f2">,</span> <span style="color: #f92672">"uri"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"/mqtt_clear"</span> <span style="color: #f8f8f2">}</span> <span style="color: #f8f8f2">]</span> <span style="color: #f8f8f2">}</span> <span style="color: #f8f8f2">]</span> </pre></div> <span style="margin-right:6px;margin-top:2px;"><img align="middle" width="32" height="32" src="images/arrow_down.png"></span><i class="fa fa-code"></i> Exclude the JSON and replace to the AutoConnectElements natively</p> <div class="codehilite" style="background: #272822"><pre style="line-height: 125%"><span></span><span style="color: #75715e">// In the declaration,</span> <span style="color: #75715e">// Declare AutoConnectElements for the page asf /mqtt_setting</span> <span style="color: #f8f8f2">ACText(header,</span> <span style="color: #e6db74">"<h2>MQTT broker settings</h2>"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"text-align:center;color:#2f4f4f;padding:10px;"</span><span style="color: #f8f8f2">);</span> <span style="color: #f8f8f2">ACText(caption,</span> <span style="color: #e6db74">"Publishing the WiFi signal strength to MQTT channel. RSSI value of ESP8266 to the channel created on ThingSpeak"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"font-family:serif;color:#4682b4;"</span><span style="color: #f8f8f2">);</span> <span style="color: #f8f8f2">ACInput(mqttserver,</span> <span style="color: #e6db74">""</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"Server"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9</span><span style="color: #ae81ff">\\</span><span style="color: #e6db74">-]*[a-zA-Z0-9])</span><span style="color: #ae81ff">\\</span><span style="color: #e6db74">.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9</span><span style="color: #ae81ff">\\</span><span style="color: #e6db74">-]*[A-Za-z0-9])$"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"MQTT broker server"</span><span style="color: #f8f8f2">);</span> <span style="color: #f8f8f2">ACInput(channelid,</span> <span style="color: #e6db74">""</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"Channel ID"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"^[0-9]{6}$"</span><span style="color: #f8f8f2">);</span> <span style="color: #f8f8f2">ACInput(userkey,</span> <span style="color: #e6db74">""</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"User Key"</span><span style="color: #f8f8f2">);</span> <span style="color: #f8f8f2">ACInput(apikey,</span> <span style="color: #e6db74">""</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"API Key"</span><span style="color: #f8f8f2">);</span> <span style="color: #f8f8f2">ACElement(newline,</span> <span style="color: #e6db74">"<hr>"</span><span style="color: #f8f8f2">);</span> <span style="color: #f8f8f2">ACCheckbox(uniqueid,</span> <span style="color: #e6db74">"unique"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"Use APID unique"</span><span style="color: #f8f8f2">);</span> <span style="color: #f8f8f2">ACRadio(period,</span> <span style="color: #f8f8f2">{</span> <span style="color: #e6db74">"30 sec."</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"60 sec."</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"180 sec."</span> <span style="color: #f8f8f2">},</span> <span style="color: #e6db74">"Update period"</span><span style="color: #f8f8f2">,</span> <span style="color: #f8f8f2">AC_Vertical,</span> <span style="color: #ae81ff">1</span><span style="color: #f8f8f2">);</span> <span style="color: #f8f8f2">ACSubmit(save,</span> <span style="color: #e6db74">"Start"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"mqtt_save"</span><span style="color: #f8f8f2">);</span> <span style="color: #f8f8f2">ACSubmit(discard,</span> <span style="color: #e6db74">"Discard"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"/"</span><span style="color: #f8f8f2">);</span> <span style="color: #75715e">// Declare the custom Web page as /mqtt_setting and contains the AutoConnectElements</span> <span style="color: #f8f8f2">AutoConnectAux</span> <span style="color: #a6e22e">mqtt_setting</span><span style="color: #f8f8f2">(</span><span style="color: #e6db74">"/mqtt_setting"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"MQTT Setting"</span><span style="color: #f8f8f2">,</span> <span style="color: #f8f8f2">true,</span> <span style="color: #f8f8f2">{</span> <span style="color: #f8f8f2">header,</span> <span style="color: #f8f8f2">caption,</span> <span style="color: #f8f8f2">mqttserver,</span> <span style="color: #f8f8f2">channelid,</span> <span style="color: #f8f8f2">userkey,</span> <span style="color: #f8f8f2">apikey,</span> <span style="color: #f8f8f2">newline,</span> <span style="color: #f8f8f2">uniqueid,</span> <span style="color: #f8f8f2">period,</span> <span style="color: #f8f8f2">newline,</span> <span style="color: #f8f8f2">save,</span> <span style="color: #f8f8f2">discard</span> <span style="color: #f8f8f2">});</span> <span style="color: #75715e">// Declare AutoConnectElements for the page as /mqtt_save</span> <span style="color: #f8f8f2">ACText(caption2,</span> <span style="color: #e6db74">"<h4>Parameters available as:</h4>"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"text-align:center;color:#2f4f4f;padding:10px;"</span><span style="color: #f8f8f2">);</span> <span style="color: #f8f8f2">ACText(parameters);</span> <span style="color: #f8f8f2">ACSubmit(clear,</span> <span style="color: #e6db74">"Clear channel"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"/mqtt_clear"</span><span style="color: #f8f8f2">);</span> <span style="color: #75715e">// Declare the custom Web page as /mqtt_save and contains the AutoConnectElements</span> <span style="color: #f8f8f2">AutoConnectAux</span> <span style="color: #a6e22e">mqtt_save</span><span style="color: #f8f8f2">(</span><span style="color: #e6db74">"/mqtt_save"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"MQTT Setting"</span><span style="color: #f8f8f2">,</span> <span style="color: #f8f8f2">false,</span> <span style="color: #f8f8f2">{</span> <span style="color: #f8f8f2">caption2,</span> <span style="color: #f8f8f2">parameters,</span> <span style="color: #f8f8f2">clear</span> <span style="color: #f8f8f2">});</span> <span style="color: #75715e">// In the setup(),</span> <span style="color: #75715e">// Join the custom Web pages and performs begin</span> <span style="color: #f8f8f2">portal.join({</span> <span style="color: #f8f8f2">mqtt_setting,</span> <span style="color: #f8f8f2">mqtt_save</span> <span style="color: #f8f8f2">});</span> <span style="color: #f8f8f2">portal.begin();</span> </pre></div> <div class="footnote"> <hr /> <ol> <li id="fn:1"> <p>Detaching the ArduinoJson library reduces the sketch size by 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