diff --git a/examples/DeviceInfo/DeviceInfo.ino b/examples/DeviceInfo/DeviceInfo.ino
index 7ff37598..e0467f6c 100644
--- a/examples/DeviceInfo/DeviceInfo.ino
+++ b/examples/DeviceInfo/DeviceInfo.ino
@@ -3,7 +3,7 @@
 #define debugSerial Serial
 #define loraSerial Serial1
 
-TheThingsNetwork ttu;
+TheThingsNetwork ttn;
 
 void setup()
 {
@@ -12,14 +12,14 @@ void setup()
 
   delay(3000);
 
-  ttu.init(loraSerial, debugSerial);
+  ttn.init(loraSerial, debugSerial);
 }
 
 void loop()
 {
   debugSerial.println("Device Information");
   debugSerial.println();
-  ttu.showStatus();
+  ttn.showStatus();
   debugSerial.println();
   debugSerial.println("Use the EUI to register the device for OTAA");
   debugSerial.println("-------------------------------------------");
diff --git a/examples/Downlink/downlink.ino b/examples/Downlink/downlink.ino
index 3530bdc2..14d43c62 100644
--- a/examples/Downlink/downlink.ino
+++ b/examples/Downlink/downlink.ino
@@ -10,7 +10,7 @@ const byte appKey[16] = { <insert AppKey> }; //for example: {0x73, 0x6D, 0x24, 0
 #define debugPrintLn(...) { if (debugSerial) debugSerial.println(__VA_ARGS__); }
 #define debugPrint(...) { if (debugSerial) debugSerial.print(__VA_ARGS__); }
 
-TheThingsNetwork ttu;
+TheThingsNetwork ttn;
 
 void setup()
 {
@@ -18,14 +18,14 @@ void setup()
   loraSerial.begin(57600);
 
   delay(1000);
-  ttu.init(loraSerial, debugSerial); //Initializing...
-  ttu.reset();
-  if (!ttu.join(appEui, appKey)) {
+  ttn.init(loraSerial, debugSerial); //Initializing...
+  ttn.reset();
+  if (!ttn.join(appEui, appKey)) {
     delay(6000);
   }
 
   delay(6000);
-  ttu.showStatus();
+  ttn.showStatus();
   debugPrintLn("Setup for The Things Network complete");
 
   delay(1000);
@@ -35,13 +35,13 @@ void loop() {
   // Send a byte
   byte buf[1];
   buf[0] = 20;
-  int downlinkBytes = ttu.sendBytes(buf, 1);
+  int downlinkBytes = ttn.sendBytes(buf, 1);
 
   if (downlinkBytes > 0) {
     debugPrintLn("Received " + String(downlinkBytes) + " bytes")
     // Print the received bytes
     for (int i = 0; i < downlinkBytes; i++) {
-      debugPrint(String(ttu.downlink[i]) + " ");
+      debugPrint(String(ttn.downlink[i]) + " ");
     }
     debugPrintLn();
   }
diff --git a/examples/SendABP/SendABP.ino b/examples/SendABP/SendABP.ino
index cd0aa312..7bd99c2d 100644
--- a/examples/SendABP/SendABP.ino
+++ b/examples/SendABP/SendABP.ino
@@ -16,21 +16,21 @@ String message = "Hello world"; //sending a string of chars "Hello world"
 #define debugPrintLn(...) { if (debugSerial) debugSerial.println(__VA_ARGS__); }
 #define debugPrint(...) { if (debugSerial) debugSerial.print(__VA_ARGS__); }
 
-TheThingsNetwork ttu;
+TheThingsNetwork ttn;
 
 void setup() {
   debugSerial.begin(115200);
   loraSerial.begin(57600);
 
   delay(1000);
-  ttu.init(loraSerial, debugSerial);
-  ttu.reset();
+  ttn.init(loraSerial, debugSerial);
+  ttn.reset();
 
   //the device will configure the LoRa module
-  ttu.personalize(devAddr, nwkSKey, appSKey);
+  ttn.personalize(devAddr, nwkSKey, appSKey);
 
   delay(6000);
-  ttu.showStatus();
+  ttn.showStatus();
   debugPrintLn("Setup for The Things Network complete");
 
   delay(1000);
@@ -38,6 +38,6 @@ void setup() {
 
 void loop() {
 
-  ttu.sendString(message);
+  ttn.sendString(message);
   delay(20000);
 }
diff --git a/examples/SendOTAA/SendOTAA.ino b/examples/SendOTAA/SendOTAA.ino
index 573b910f..b2358e52 100644
--- a/examples/SendOTAA/SendOTAA.ino
+++ b/examples/SendOTAA/SendOTAA.ino
@@ -13,31 +13,31 @@ String message = "Hello world"; //sending a string of chars "Hello world"
 #define debugPrintLn(...) { if (debugSerial) debugSerial.println(__VA_ARGS__); }
 #define debugPrint(...) { if (debugSerial) debugSerial.print(__VA_ARGS__); }
 
-TheThingsNetwork ttu;
+TheThingsNetwork ttn;
 
 void setup() {
   debugSerial.begin(115200);
   loraSerial.begin(57600);
 
   delay(1000);
-  ttu.init(loraSerial, debugSerial);
-  ttu.reset();
+  ttn.init(loraSerial, debugSerial);
+  ttn.reset();
 
   //the device will attempt a join every second till the join is successfull
-  while(!ttu.join(appEui, appKey)){
+  while(!ttn.join(appEui, appKey)){
       delay(6000);
   }
 
   digitalWrite(13, HIGH); //turn on LED to confirm join
 
   delay(6000);
-  ttu.showStatus();
+  ttn.showStatus();
   debugPrintLn("Setup for The Things Network complete");
 
   delay(1000);
 }
 
 void loop() {
-  ttu.sendString(message);
+  ttn.sendString(message);
   delay(20000);
 }
diff --git a/examples/SensorExamples/DHTSensor/DHTSensor.ino b/examples/SensorExamples/DHTSensor/DHTSensor.ino
index 7cc99783..ea39e5e6 100644
--- a/examples/SensorExamples/DHTSensor/DHTSensor.ino
+++ b/examples/SensorExamples/DHTSensor/DHTSensor.ino
@@ -24,7 +24,7 @@ byte data[4];
 #define debugPrintLn(...) { if (debugSerial) debugSerial.println(__VA_ARGS__); }
 #define debugPrint(...) { if (debugSerial) debugSerial.print(__VA_ARGS__); }
 
-TheThingsNetwork ttu;
+TheThingsNetwork ttn;
 
 void setup() {
   debugSerial.begin(115200);
@@ -33,18 +33,18 @@ void setup() {
   dht.begin();
 
   delay(1000);
-  ttu.init(loraSerial, debugSerial);
-  ttu.reset();
+  ttn.init(loraSerial, debugSerial);
+  ttn.reset();
 
   //the device will attempt a join every second till the join is successfull
-  while(!ttu.join(appEui, appKey)){
+  while(!ttn.join(appEui, appKey)){
       delay(6000);
   }
 
   digitalWrite(13, HIGH); //turn on LED to confirm join
 
   delay(6000);
-  ttu.showStatus();
+  ttn.showStatus();
   debugPrintLn("Setup for The Things Network complete");
 
   delay(1000);
@@ -65,7 +65,7 @@ void loop() {
   debugPrint("Humidity: ");
   debugPrintLn(humidity);
   //send data
-  ttu.sendBytes(data, sizeof(data));
+  ttn.sendBytes(data, sizeof(data));
 
   delay(20000);
 }
diff --git a/examples/SensorExamples/LightSensor/LightSensor.ino b/examples/SensorExamples/LightSensor/LightSensor.ino
index f3a5652c..ce175085 100644
--- a/examples/SensorExamples/LightSensor/LightSensor.ino
+++ b/examples/SensorExamples/LightSensor/LightSensor.ino
@@ -16,7 +16,7 @@ byte data[2];
 #define debugPrintLn(...) { if (debugSerial) debugSerial.println(__VA_ARGS__); }
 #define debugPrint(...) { if (debugSerial) debugSerial.print(__VA_ARGS__); }
 
-TheThingsNetwork ttu;
+TheThingsNetwork ttn;
 
 void setup() {
   debugSerial.begin(115200);
@@ -25,18 +25,18 @@ void setup() {
   pinMode(LightPin, INPUT);
 
   delay(1000);
-  ttu.init(loraSerial, debugSerial);
-  ttu.reset();
+  ttn.init(loraSerial, debugSerial);
+  ttn.reset();
 
   //the device will attempt a join every second till the join is successfull
-  while(!ttu.join(appEui, appKey)){
+  while(!ttn.join(appEui, appKey)){
       delay(6000);
   }
 
   digitalWrite(13, HIGH); //turn on LED to confirm join
 
   delay(6000);
-  ttu.showStatus();
+  ttn.showStatus();
   debugPrintLn("Setup for The Things Network complete");
 
   delay(1000);
@@ -52,7 +52,7 @@ void loop() {
   debugPrint("Transmitting Light level: ");
   debugPrintLn(light);
   //send data
-  ttu.sendBytes(data, sizeof(data));
+  ttn.sendBytes(data, sizeof(data));
 
   delay(20000);
 }
diff --git a/examples/Workshop/Workshop.ino b/examples/Workshop/Workshop.ino
index 5210b10e..32841a4b 100644
--- a/examples/Workshop/Workshop.ino
+++ b/examples/Workshop/Workshop.ino
@@ -23,7 +23,7 @@ const byte appSKey[16] = { ... };
 #define debugPrintLn(...) { if (debugSerial) debugSerial.println(__VA_ARGS__); }
 #define debugPrint(...) { if (debugSerial) debugSerial.print(__VA_ARGS__); }
 
-TheThingsNetwork ttu;
+TheThingsNetwork ttn;
 
 void setup() {
   // Set up the serial interfaces for the debugging serial monitor and LoRa module
@@ -32,14 +32,14 @@ void setup() {
   delay(1000);
 
   // Initialize and reset The Things Uno
-  ttu.init(loraSerial, debugSerial);
-  ttu.reset();
+  ttn.init(loraSerial, debugSerial);
+  ttn.reset();
 
   // Here we activate the device with your address and keys
-  ttu.personalize(devAddr, nwkSKey, appSKey);
+  ttn.personalize(devAddr, nwkSKey, appSKey);
 
   // Show the status on the debugging serial monitor
-  ttu.showStatus();
+  ttn.showStatus();
   debugPrintLn("Setup for The Things Network complete");
 }
 
@@ -48,7 +48,7 @@ void loop() {
   byte data[3] = { 0x01, 0x02, 0x03 };
 
   // Send it to the network
-  ttu.sendBytes(data, sizeof(data));
+  ttn.sendBytes(data, sizeof(data));
 
   // Wait 10 seconds
   delay(10000);