added ssl option & details

Author: ladyada

examples/mqtt_2subs_esp8266/mqtt_2subs_esp8266.ino

@@ -32,14 +32,16 @@
 /************************* Adafruit.io Setup *********************************/
 
 #define AIO_SERVER      "io.adafruit.com"
-#define AIO_SERVERPORT  1883
+#define AIO_SERVERPORT  1883                   // use 8883 for SSL
 #define AIO_USERNAME    "...your AIO username (see https://accounts.adafruit.com)..."
 #define AIO_KEY         "...your AIO key..."
 
 /************ Global State (you don't need to change this!) ******************/
 
 // Create an ESP8266 WiFiClient class to connect to the MQTT server.
 WiFiClient client;
+// or... use WiFiFlientSecure for SSL
+//WiFiClientSecure client;
 
 // Store the MQTT server, username, and password in flash memory.
 // This is required for using the Adafruit MQTT library.

examples/mqtt_esp8266/mqtt_esp8266.ino

@@ -27,14 +27,16 @@
 /************************* Adafruit.io Setup *********************************/
 
 #define AIO_SERVER      "io.adafruit.com"
-#define AIO_SERVERPORT  1883
+#define AIO_SERVERPORT  1883                   // use 8883 for SSL
 #define AIO_USERNAME    "...your AIO username (see https://accounts.adafruit.com)..."
 #define AIO_KEY         "...your AIO key..."
 
 /************ Global State (you don't need to change this!) ******************/
 
 // Create an ESP8266 WiFiClient class to connect to the MQTT server.
 WiFiClient client;
+// or... use WiFiFlientSecure for SSL
+//WiFiClientSecure client;
 
 // Store the MQTT server, username, and password in flash memory.
 // This is required for using the Adafruit MQTT library.