diff --git a/firmware/constcat.h b/firmware/constcat.h
new file mode 100644
index 0000000..b111512
--- /dev/null
+++ b/firmware/constcat.h
@@ -0,0 +1,65 @@
+//
+// Created by jedi on 23.07.21.
+//
+
+#ifdef __cplusplus
+
+template<size_t S>
+using size=std::integral_constant<size_t, S>;
+
+template<class T, size_t N>
+constexpr size<N> length( T const(&)[N] ) { return {}; }
+template<class T, size_t N>
+constexpr size<N> length( std::array<T, N> const& ) { return {}; }
+
+template<class T>
+using length_t = decltype(length(std::declval<T>()));
+
+constexpr size_t string_size() { return 0; }
+template<class...Ts>
+constexpr size_t string_size( size_t i, Ts... ts ) {
+return (i?i-1:0) + string_size(ts...);
+}
+template<class...Ts>
+using string_length=size< string_size( length_t<Ts>{}... )>;
+
+template<class...Ts>
+using combined_string = std::array<char, string_length<Ts...>{}+1>;
+
+template<class Lhs, class Rhs, unsigned...I1, unsigned...I2>
+constexpr const combined_string<Lhs,Rhs>
+concat_impl( Lhs const& lhs, Rhs const& rhs, seq<I1...>, seq<I2...>)
+{
+// the '\0' adds to symmetry:
+return {{ lhs[I1]..., rhs[I2]..., '\0' }};
+}
+
+template<class Lhs, class Rhs>
+constexpr const combined_string<Lhs,Rhs>
+concat(Lhs const& lhs, Rhs const& rhs)
+{
+return concat_impl(
+        lhs, rhs,
+        gen_seq<string_length<Lhs>{}>{},
+gen_seq<string_length<Rhs>{}>{}
+);
+}
+
+template<class T0, class T1, class... Ts>
+constexpr const combined_string<T0, T1, Ts...>
+concat(T0 const&t0, T1 const&t1, Ts const&...ts)
+{
+return concat(t0, concat(t1, ts...));
+}
+
+template<class T>
+constexpr const combined_string<T>
+concat(T const&t) {
+return concat(t, "");
+}
+constexpr const combined_string<>
+concat() {
+    return concat("");
+}
+
+#endif
\ No newline at end of file
diff --git a/firmware/fsdata/fs/index.html b/firmware/fsdata/fs/index.html
index 8ceefa7..ead57e6 100644
--- a/firmware/fsdata/fs/index.html
+++ b/firmware/fsdata/fs/index.html
@@ -16,6 +16,8 @@
     <label for="bmenub" class="burger pseudo button">&#9776;</label>
     <div class="menu">
         <a href="/#" class="button icon-picture">Dashboard</a>
+        <a href="/#io" class="button icon-puzzle">I/O</a>
+        <a href="/#wifi" class="button icon-puzzle">Wifi Settings</a>
         <a href="/#ota" class="button icon-picture">System</a>
     </div>
 </nav>
@@ -58,6 +60,125 @@
         </article>
 
     </section>
+    <section id="io">
+        <h2>I/O</h2>
+        <article class="card">
+            <header>
+                <h3>Protocols</h3>
+            </header>
+            <div class="table">
+                <div class="row">
+                    <label>MQTT</label>
+                    <span><input type="checkbox" class="plain"/></span>
+                </div>
+                <div class="row">
+                    <span><input type="reset" class="button"/></span>
+                    <span><input type="submit" value="Save"></span>
+                </div>
+            </div>
+        </article>
+        <article class="card">
+            <header>
+                <h3>Station Mode <span class="label success">current connection</span></h3>
+            </header>
+            <div class="table">
+                <div class="row">
+                    <label>WS2812 via I2S</label>
+                    <span><input type="checkbox" class="plain"/></span>
+                    <span><input type="color"/></span>
+                </div>
+                <div class="row">
+                    <label>APA102C via SPI</label>
+                    <span><input type="checkbox" class="plain"/></span>
+                    <span><input type="color"/></span>
+                </div>
+                <div class="row">
+                    <label>6 Channel SPI Dimmer</label>
+                    <span><input type="checkbox" class="plain"/></span>
+                    <span><input type="color"/></span>
+                </div>
+                <div class="row">
+                    <label>Binary Output on GPIO4</label>
+                    <span><input type="checkbox" class="plain"/></span>
+                    <span><button class="toggle button">Toggle</button></span>
+                </div>
+                <div class="row">
+                    <label>Binary Output on GPIO5</label>
+                    <span><input type="checkbox" class="plain"/></span>
+                    <span><button class="toggle button">Toggle</button></span>
+                </div>
+                <div class="row">
+                    <span><input type="reset" class="button"/></span>
+                    <span><input type="submit" value="Save"></span>
+                </div>
+            </div>
+        </article>
+    </section>
+    <section id="wifi">
+        <h2>Wifi Settings</h2>
+        <article class="card">
+            <header>
+                <h3>AP Mode</h3>
+            </header>
+            <div class="table">
+                <div class="row">
+                    <label>Enable</label>
+                    <span><input id="ap_toggle" type="checkbox" class="plain"/></span>
+                </div>
+                <div class="row">
+                    <label>SSID</label>
+                    <span><input id="ap_ssid" type="text" placeholder="SSID"/></span>
+                </div>
+                <div class="row">
+                    <label>Password</label>
+                    <span><input id="ap_pw" type="password" placeholder="Password"/></span>
+                </div>
+                <div class="row">
+                    <span>AP IP</span>
+                    <span><span class="postfill_apip">N/A</span></span>
+                </div>
+                <div class="row">
+                    <span>AP MAC</span>
+                    <span><span class="postfill_apmac">N/A</span></span>
+                </div>
+                <div class="row">
+                    <span><input type="reset" class="button"/></span>
+                    <span><input onclick="ap_update();" type="submit" value="Save"></span>
+                </div>
+            </div>
+        </article>
+        <article class="card">
+            <header>
+                <h3>Station Mode <span class="label success">current connection</span></h3>
+            </header>
+            <div class="table">
+                <div class="row">
+                    <label>Eanable</label>
+                    <span><input id="sta_toggle" type="checkbox" class="plain"/></span>
+                </div>
+                <div class="row">
+                    <label>SSID</label>
+                    <span><input id="sta_ssid" type="text" placeholder="SSID"/></span>
+                </div>
+                <div class="row">
+                    <label>Password</label>
+                    <span><input id="sta_pw" type="password" placeholder="Password"/></span>
+                </div>
+                <div class="row">
+                    <span>Sation IP</span>
+                    <span><span class="postfill_staip">N/A</span></span>
+                </div>
+                <div class="row">
+                    <span>Station MAC</span>
+                    <span><span class="postfill_stamac">N/A</span></span>
+                </div>
+                <div class="row">
+                    <span><input type="reset" class="button"/></span>
+                    <span><input onclick="sta_update();" type="submit" value="Save"></span>
+                </div>
+            </div>
+        </article>
+    </section>
     <section id="dashboard">
         <h2>Status</h2>
         <div class="flex">
@@ -158,6 +279,16 @@
                     <header>
                         <h3>I/O</h3>
                     </header>
+                    <div class="table">
+                        <div class="row">
+                            <span>Channel 1-6</span>
+                            <span>SPI Dimmer</span>
+                        </div>
+                        <div class="row">
+                            <span>Channel 7-127</span>
+                            <span>WS2812 via I2S</span>
+                        </div>
+                    </div>
                     <footer>
                         <label>
                             <input type="checkbox" name="onoffswitch" id="led-switch" onclick="gpio()">
@@ -394,6 +525,46 @@
             })
         }
     }
+
+    var sta_toggle = document.getElementById("sta_toggle");
+    var sta_ssid = document.getElementById("sta_ssid");
+    var sta_pw = document.getElementById("sta_pw");
+
+    function sta_update() {
+        var en = sta_toggle.checked;
+
+        const ssid = sta_ssid.value;
+        const password = sta_pw.value;
+
+        const buffer = new ArrayBuffer(ssid.length + password.length + 4);
+        const view1 = new DataView(buffer);
+        var tx_len = 0;
+        view1.setChar(tx_len++, 'S');
+        view1.setChar(tx_len++, (en ? "E" : "D"));
+        tx_len = view1.setString(tx_len, ssid);
+        tx_len = view1.setString(tx_len, password);
+        wsWrite(buffer);
+    }
+
+    var ap_toggle = document.getElementById("ap_toggle");
+    var ap_ssid = document.getElementById("ap_ssid");
+    var ap_pw = document.getElementById("ap_pw");
+
+    function ap_update() {
+        var en = ap_toggle.checked;
+
+        const ssid = ap_ssid.value;
+        const password = ap_pw.value;
+
+        const buffer = new ArrayBuffer(ssid.length + password.length + 4);
+        const view1 = new DataView(buffer);
+        var tx_len = 0;
+        view1.setChar(tx_len++, 'A');
+        view1.setChar(tx_len++, (en ? "E" : "D"));
+        tx_len = view1.setString(tx_len, ssid);
+        tx_len = view1.setString(tx_len, password);
+        wsWrite(buffer);
+    }
 </script>
 </body>
 </html>
diff --git a/firmware/web.cpp b/firmware/web.cpp
index 6176a43..55b23a0 100644
--- a/firmware/web.cpp
+++ b/firmware/web.cpp
@@ -184,7 +184,21 @@ void websocket_task(void *pvParameter) {
 
         }
 
+        vTaskDelayMs(250);
+        {
+            uint8_t response[3];
+            uint16_t val;
+            val = sdk_system_adc_read();
+            response[2] = (uint8_t) val;
+            response[1] = val >> 8;
+            response[0] = 'V';
+            LOCK_TCPIP_CORE();
+            websocket_write(pcb, response, 3, WS_BIN_MODE);
+            UNLOCK_TCPIP_CORE();
+        }
         vTaskDelayMs(500);
+        //printf("9: %d\n",gpio_read(9));
+        //printf("10: %d\n",gpio_read(10));
     }
 
     vTaskDelete(nullptr);
@@ -221,7 +235,18 @@ void websocket_cb(struct tcp_pcb *pcb, char *data, u16_t data_len,
 
     bool togl = 0;
 
+    int8_t en = 0;
+    /*uint8_t ap_disable_if_sta = 0;
+    uint8_t ssid_hidden = 0;
+    uint8_t dns_enable = 0;
+    uint8_t mdns_enable = 0;*/
+
     switch (data[0]) {
+        case 'V': // ADC
+            /* This should be done on a separate thread in 'real' applications */
+            val = sdk_system_adc_read();
+            cmd = 'V';
+            break;
         case 'R': // Restart
             cmd = 'R';
             break;
@@ -258,6 +283,41 @@ void websocket_cb(struct tcp_pcb *pcb, char *data, u16_t data_len,
             }
             cmd = 'C';
             break;
+        case 'S': {
+            if(data[1] == 'E')
+                en = 1;
+            char *ssid = &data[2];
+            size_t ssid_len = strlen(ssid);
+            char *password = &data[3 + ssid_len];
+            size_t password_len = strlen(password);
+            (void) password_len;
+
+            sysparam_set_int8("wifi_sta_enable", en);
+            sysparam_set_string("wifi_sta_ssid", ssid);
+            sysparam_set_string("wifi_sta_password", password);
+        }
+            cmd = 'S';
+            break;
+        case 'A': {
+            if(data[1] == 'E')
+                en = 1;
+            char *ssid = &data[2];
+            size_t ssid_len = strlen(ssid);
+            char *password = &data[3 + ssid_len];
+            size_t password_len = strlen(password);
+            (void) password_len;
+
+            sysparam_set_int8("wifi_ap_enable", en);
+            sysparam_set_string("wifi_ap_ssid", ssid);
+            sysparam_set_string("wifi_ap_password", password);
+
+            //sysparam_set_int8("wifi_ap_disable_if_sta", ap_disable_if_sta);
+            //sysparam_set_int8("wifi_ap_ssid_hidden", ssid_hidden);
+            //sysparam_set_int8("wifi_ap_dns", dns_enable);
+            //sysparam_set_int8("wifi_ap_mdns", mdns_enable);
+        }
+            cmd = 'A';
+            break;
         default:
             printf("[websocket_callback]:\n%.*s\n", (int) data_len, (char *) data);
             printf("Unknown command %c\n", data[0]);
@@ -294,11 +354,36 @@ void websocket_open_cb(struct tcp_pcb *pcb, const char *uri) {
     }
 }
 
+/*const char *gpio_cgi_handler(int iIndex, int iNumParams, char *pcParam[], char *pcValue[]) {
+    for (int i = 0; i < iNumParams; i++) {
+        if(strcmp(pcParam[i], "on") == 0) {
+            uint8_t gpio_num = atoi(pcValue[i]);
+            gpio_enable(gpio_num, GPIO_OUTPUT);
+            gpio_write(gpio_num, true);
+        } else if(strcmp(pcParam[i], "off") == 0) {
+            uint8_t gpio_num = atoi(pcValue[i]);
+            gpio_enable(gpio_num, GPIO_OUTPUT);
+            gpio_write(gpio_num, false);
+        } else if(strcmp(pcParam[i], "toggle") == 0) {
+            uint8_t gpio_num = atoi(pcValue[i]);
+            gpio_enable(gpio_num, GPIO_OUTPUT);
+            gpio_toggle(gpio_num);
+        }
+    }
+    return "/index.html";
+}*/
+
 extern "C" void httpd_task(void *pvParameters) {
     (void) pvParameters;
 
     while (!uxSemaphoreGetCount(wifi_available_semaphore))
         vTaskDelay(500 / portTICK_PERIOD_MS);
+    /*tCGI pCGIs[] = {
+            {"/gpio", (tCGIHandler) gpio_cgi_handler},
+    };
+
+    // register handlers and start the server
+    http_set_cgi_handlers(pCGIs, sizeof(pCGIs) / sizeof(pCGIs[0]));*/
     websocket_register_callbacks((tWsOpenHandler) websocket_open_cb, (tWsHandler) websocket_cb);
     httpd_init();