[MQTT] User SerialModule wrapper

examples/MQTT/MQTT_Publish/MQTT_Publish.ino

@@ -19,7 +19,7 @@
 // ESP8266 has the following connections:
 // TX pin: 9
 // RX pin: 8
-ESP8266 wifi = new Module(9, 8);
+ESP8266 wifi = new SerialModule(9, 8);
 
 // or using RadioShield
 // https://github.com/jgromes/RadioShield

examples/MQTT/MQTT_Subscribe/MQTT_Subscribe.ino

@@ -19,7 +19,7 @@
 // ESP8266 has the following connections:
 // TX pin: 9
 // RX pin: 8
-ESP8266 wifi = new Module(9, 8);
+ESP8266 wifi = new SerialModule(9, 8);
 
 // or using RadioShield
 // https://github.com/jgromes/RadioShield