Some hostname testing

examples/NonBlocking/OnDemandNonBlocking/onDemandNonBlocking.ino

@@ -6,6 +6,13 @@
  */
 #include <WiFiManager.h> // https://github.com/tzapu/WiFiManager
 
+// include MDNS
+#ifdef ESP8266
+#include <ESP8266mDNS.h>
+#elif defined(ESP32)
+#include <ESPmDNS.h>
+#endif
+
 // select which pin will trigger the configuration portal when set to LOW
 #define TRIGGER_PIN 0
 
@@ -20,11 +27,21 @@ void setup() {
   WiFi.mode(WIFI_STA); // explicitly set mode, esp defaults to STA+AP  
   // put your setup code here, to run once
   Serial.begin(115200);
+  Serial.setDebugOutput(true);
+  delay(1000);
   Serial.println("\n Starting");
+
   pinMode(TRIGGER_PIN, INPUT_PULLUP);
+
+  // wm.resetSettings();
+  wm.setHostname("MDNSEXAMPLE");
+  // wm.setEnableConfigPortal(false);
+  // wm.setConfigPortalBlocking(false);
+  wm.autoConnect();
 }
 
 void loop() {
+  MDNS.update();
   doWiFiManager();
   // put your main code here, to run repeatedly:
 }