* updated from upstream

* forced connection attempt is now hardcoded in Sodaq_nbIOT::connectSocket()
* udp send recieve now works, may contain bugs on fast multiple incoming messages,
  have to check if this can be an issue or not

examples/nbIOT_Humidity_Temperature/nbIOT_Humidity_Temperature.ino

@@ -0,0 +1,81 @@
+#include <Arduino.h>
+#include <Wire.h>
+// #include <SoftwareSerial.h> // Uno
+#include <Sodaq_nbIOT.h>
+#include <Sodaq_HTS221.h>
+
+#if defined(ARDUINO_AVR_LEONARDO)
+#define DEBUG_STREAM Serial 
+#define MODEM_STREAM Serial1
+
+#elif defined(ARDUINO_AVR_UNO)
+SoftwareSerial softSerial(10, 11); // RX, TX
+// You can connect an uartsbee or other board (e.g. 2nd Uno) to connect the softserial.
+#define DEBUG_STREAM softSerial 
+#define MODEM_STREAM Serial
+
+#elif defined(ARDUINO_SODAQ_EXPLORER)
+#define DEBUG_STREAM SerialUSB
+#define MODEM_STREAM Serial
+
+#elif defined(ARDUINO_SAM_ZERO)
+#define DEBUG_STREAM SerialUSB
+#define MODEM_STREAM Serial1
+
+#else
+#error "Please select one of the listed boards."
+#endif
+
+Sodaq_nbIOT nbiot;
+Sodaq_HTS221 humiditySensor;
+
+void setup()
+{
+    while ((!DEBUG_STREAM) && (millis() < 10000)) {
+        // Wait for serial monitor for 10 seconds
+    }
+
+    Wire.begin();
+
+    DEBUG_STREAM.begin(9600);
+    MODEM_STREAM.begin(nbiot.getDefaultBaudrate());
+
+    DEBUG_STREAM.println("\r\nSODAQ Humidity and Temperature Example\r\n");
+
+    nbiot.init(MODEM_STREAM, 7);
+    nbiot.setDiag(DEBUG_STREAM);
+
+    delay(2000);
+
+    if (nbiot.connect("oceanconnect.t-mobile.nl", "172.16.14.22", "20416")) {
+        DEBUG_STREAM.println("Connected succesfully!");
+    }
+    else {
+        DEBUG_STREAM.println("Failed to connect!");
+    }
+
+    if (humiditySensor.init()) {
+        DEBUG_STREAM.println("Temperature + humidity sensor initialized.");
+        humiditySensor.enableSensor();
+    }
+    else {
+        DEBUG_STREAM.println("Temperature + humidity initialization failed!");
+    }
+}
+
+
+void loop()
+{
+    // Create the message
+    String message = String(humiditySensor.readTemperature()) + "C" +
+        ",  " + String(humiditySensor.readHumidity()) + "%";
+
+    // Print the message we want to send
+    DEBUG_STREAM.println(message);
+
+    // Send the message
+    nbiot.sendMessage(message);
+
+    // Wait some time between messages
+    delay(10000); // 1000 = 1 sec
+}