diff --git a/node/main/main.cpp b/node/main/main.cpp
index ffd6f3e..48721da 100644
--- a/node/main/main.cpp
+++ b/node/main/main.cpp
@@ -5,24 +5,29 @@
 void sendMessages(void* pvParameter)
 {
     while (1) {
-        printf("Sending message...\n");
+        dummyPayload();
+        printf("Sending msg...\n");
         ssd1306_display_clear();
-        const char *pcTask1 = "Sending message...\n";
+        const char *pcTask1 = "Sending msg...\n";
 	    xTaskCreate(&task_ssd1306_display_text, "task_ssd1306_display_text", 4096, (void *) pcTask1, 5, NULL);
-        TTNResponseCode res = ttn.transmitMessage(msgData, sizeof(msgData) - 1);
+        TTNResponseCode res = ttn.transmitMessage((uint8_t*) &pDummyPayload, sizeof(pDummyPayload));
 
         if(res == kTTNSuccessfulTransmission){
-            printf("Message sent.\n");
+            printf("msg sent.\n");
             ssd1306_display_clear();
-            const char *pcTask1 = "Message sent.\n";
+            const char *pcTask1 = "msg sent.\n";
 	        xTaskCreate(&task_ssd1306_display_text, "task_ssd1306_display_text", 4096, (void *) pcTask1, 5, NULL);
         }else{
-            printf("Transmission failed.\n");
+            printf("Transm failed.\n");
             ssd1306_display_clear();
-            const char *pcTask1 = "Transmission failed.\n";
+            const char *pcTask1 = "Transm failed.\n";
 	        xTaskCreate(&task_ssd1306_display_text, "task_ssd1306_display_text", 4096, (void *) pcTask1, 5, NULL);
         }
 
+        printf("sleeping...\n");
+        ssd1306_display_clear();
+        const char *pcTask2 = "sleeping...\n";
+	    xTaskCreate(&task_ssd1306_display_text, "task_ssd1306_display_text", 4096, (void *) pcTask2, 5, NULL);
         vTaskDelay(TX_INTERVAL * pdMS_TO_TICKS(1000));
     }
 }
@@ -35,6 +40,28 @@ void messageReceived(const uint8_t* message, size_t length, ttn_port_t port)
     printf("\n");
 }
 
+void dummyPayload(){
+
+    uint16_t u16Temperature = (uint16_t) esp_random();
+    uint16_t u16Pressure = (uint16_t) esp_random();
+    uint16_t u16Windspeed = (uint16_t) esp_random();
+    uint16_t u16Winddirection = (uint16_t) esp_random();
+
+    if((esp_random()%2) == 0){
+        pDummyPayload.auxState = AUX_STATE_DOOR_CLOSED;
+    }else{
+        pDummyPayload.auxState = AUX_STATE_DOOR_OPEN;
+    }
+
+    memcpy(pDummyPayload.degreesC, &u16Temperature, 2);
+    memcpy(pDummyPayload.pressure, &u16Pressure, 2);
+    memcpy(pDummyPayload.windspeed, &u16Windspeed, 2);
+    memcpy(pDummyPayload.winddirection, &u16Winddirection, 2);
+
+
+
+}
+
 extern "C" void app_main(void)
 {
     esp_err_t err;
@@ -66,6 +93,7 @@ extern "C" void app_main(void)
     // Register callback for received messages
     ttn.onMessage(messageReceived);
 
+    printf("random: %li\n", esp_random());
 
     i2c_master_init();
 	ssd1306_init();
diff --git a/node/main/main.h b/node/main/main.h
index 60fd829..1ee94a7 100644
--- a/node/main/main.h
+++ b/node/main/main.h
@@ -6,6 +6,8 @@
 #include "driver/gpio.h"
 #include "nvs_flash.h"
 #include "driver/i2c.h"
+#include "esp_random.h"
+#include <cstring>
 
 #include "TheThingsNetwork.h"
 
@@ -27,7 +29,23 @@
 static TheThingsNetwork ttn;
 
 const unsigned TX_INTERVAL = 60*15;
-static uint8_t msgData[] = "BBBBBBBB"; //8x 0x
+//static uint8_t msgData[] = "BBBBBBBB"; //8x 0x
 
+#define AUX_STATE_DOOR_OPEN 0x1
+#define AUX_STATE_DOOR_CLOSED 0x2
+
+struct payload {
+    uint8_t degreesC[2];
+    uint8_t pressure[2];
+    uint8_t windspeed[2];
+    uint8_t winddirection[2];
+    uint8_t auxState;
+};
+
+
+static struct payload pDummyPayload;
+
+
+void dummyPayload(void);
 
 #endif /* MAIN_H */
\ No newline at end of file