[MQTT] Updated examples

examples/MQTT/MQTT_Publish/MQTT_Publish.ino

@@ -8,13 +8,22 @@
 
    IMPORTANT: Before uploading this example, make sure that the ESP8266 module is running
    AT firmware (can be found in the /extras folder of the library)!
+
+   For full API reference, see the GitHub Pages
+   https://jgromes.github.io/RadioLib/
 */
 
 // include the library
 #include <RadioLib.h>
 
-// ESP8266 module is in slot A on the shield
-ESP8266 wifi = RadioShield.ModuleA;
+// ESP8266 has the following connections:
+// TX pin: 9
+// RX pin: 8
+ESP8266 wifi = new Module(9, 8);
+
+// or using RadioShield
+// https://github.com/jgromes/RadioShield
+//ESP8266 wifi = RadioShield.ModuleA;
 
 // create MQTT client instance using the wifi module
 // the default port used for MQTT is 1883
@@ -80,4 +89,3 @@ void loop() {
   // wait for a second before publishing again
   delay(1000);
 }
-

examples/MQTT/MQTT_Subscribe/MQTT_Subscribe.ino

@@ -8,13 +8,22 @@
 
    IMPORTANT: Before uploading this example, make sure that the ESP8266 module is running
    AT firmware (can be found in the /extras folder of the library)!
+
+   For full API reference, see the GitHub Pages
+   https://jgromes.github.io/RadioLib/
 */
 
 // include the library
 #include <RadioLib.h>
 
-// ESP8266 module is in slot A on the shield
-ESP8266 wifi = RadioShield.ModuleA;
+// ESP8266 has the following connections:
+// TX pin: 9
+// RX pin: 8
+ESP8266 wifi = new Module(9, 8);
+
+// or using RadioShield
+// https://github.com/jgromes/RadioShield
+//ESP8266 wifi = RadioShield.ModuleA;
 
 // create MQTT client instance using the wifi module
 // the default port used for MQTT is 1883