Your internal network,
accessible from anywhere

1. 1
   Create an HTTP tunnel in the panel

   Pick the HTTP protocol, set local_port = 80 and copy the token (48 hex).

2. 2
   Install the library in Arduino IDE

   Sketch → Include Library → Add .ZIP Library and pick the downloaded ZIP.

   SuperDMZ-Arduino v1.1.2
3. 3
   Paste this sketch and adjust the token

   #include <WiFi.h>
   #include <WebServer.h>
   #include <SuperDMZ.h>
   
   WebServer server(80);
   SuperDMZ  tunnel;
   
   void setup() {
     WiFi.begin("SUA_REDE", "SUA_SENHA");
     while (WiFi.status() != WL_CONNECTED) delay(200);
   
     server.on("/", [](){
       server.send(200, "text/html", "<h1>Hello</h1>");
     });
     server.begin();
   
     tunnel.begin("YOUR_48_HEX_TOKEN", 80);
   }
   void loop() {
     server.handleClient();
     tunnel.loop();
   }

4. 4
   Compile, upload and access

   After ~5 s on the Serial Monitor (115200 baud):

   [wifi] OK, IP = 192.168.1.42
   [SuperDMZ] connecting wss://spo1.nodes.superdmz.com:443/ws/tunnel ...
   [SuperDMZ] ONLINE: https://your-host.dmzgate.com -> http://localhost:80

Classic boards (UNO R3 / Nano / Mega) do not qualify — no WiFi, no heap for TLS. Boards with WiFi + mbedtls (or a WiFi coprocessor with TLS on-chip) are supported.