diff --git a/examples/z1/example2/example-unicast-temp.c b/examples/z1/example2/example-unicast-temp.c
new file mode 100644
index 000000000..69c86442e
--- /dev/null
+++ b/examples/z1/example2/example-unicast-temp.c
@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2007, Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * $Id: example-unicast.c,v 1.5 2010/02/02 16:36:46 adamdunkels Exp $
+ */
+
+/**
+ * \file
+ *         Best-effort single-hop unicast example
+ * \author
+ *         Adam Dunkels <adam@sics.se>
+ */
+
+#include "contiki.h"
+#include "net/rime.h"
+
+#include "dev/button-sensor.h"
+
+#include "dev/leds.h"
+
+#include <stdio.h>
+#include "dev/i2cmaster.h"
+#include "dev/tmp102.h"
+
+#if 1
+#define PRINTF(...) printf(__VA_ARGS__)
+#else
+#define PRINTF(...)
+#endif
+
+
+#define SENDER 205
+#define RECEIVER 200
+
+
+#define PRINTFDEBUG(...)
+
+
+#define TMP102_READ_INTERVAL (CLOCK_SECOND/2)
+
+  int16_t  tempint;
+  uint16_t tempfrac;
+  int16_t  raw;
+  uint16_t absraw;
+  int16_t  sign;
+  char     minus = ' ';
+
+/*---------------------------------------------------------------------------*/
+PROCESS(example_unicast_process, "Example unicast");
+AUTOSTART_PROCESSES(&example_unicast_process);
+/*---------------------------------------------------------------------------*/
+static void
+recv_uc(struct unicast_conn *c, const rimeaddr_t *from)
+{
+  printf("unicast message received from %d.%d\n",
+     from->u8[0], from->u8[1]);
+}
+static const struct unicast_callbacks unicast_callbacks = {recv_uc};
+static struct unicast_conn uc;
+/*---------------------------------------------------------------------------*/
+PROCESS_THREAD(example_unicast_process, ev, data)
+{
+  PROCESS_EXITHANDLER(unicast_close(&uc);)
+   
+  PROCESS_BEGIN();
+
+
+  tmp102_init();
+  rimeaddr_t addr;
+  unicast_open(&uc, 133, &unicast_callbacks);
+  SENSORS_ACTIVATE(button_sensor);
+  while(1) {
+
+PROCESS_WAIT_EVENT_UNTIL(ev==sensors_event && data == &button_sensor);
+    sign = 1;
+
+    //PRINTFDEBUG ("Reading Temp...\n");
+    raw = tmp102_read_temp_raw();
+   
+        absraw = raw;
+        if (raw < 0) { // Perform 2C's if sensor returned negative data
+          absraw = (raw ^ 0xFFFF) + 1;
+          sign = -1;
+        }
+    tempint  = (absraw >> 8) * sign;
+        tempfrac = ((absraw>>4) % 16) * 625; // Info in 1/10000 of degree
+        minus = ((tempint == 0) & (sign == -1)) ? '-'  : ' ' ;
+    PRINTF ("Current Temp = %c%d.%04d\n", minus, tempint, tempfrac);
+
+  
+   
+    char s[30];
+    sprintf(s,"Temp is %c%d.%04d\n", minus, tempint, tempfrac);
+    printf("sending %s\n",s);
+    packetbuf_copyfrom(s, 30);
+    addr.u8[0] = RECEIVER;
+    addr.u8[1] = 0;
+       
+    unicast_send(&uc, &addr);
+  }
+
+  PROCESS_END();
+}
+/*---------------------------------------------------------------------------*/
+