diff --git a/Project/applications/smartcities/json.c b/Project/applications/smartcities/json.c
index b679bc5..b659d51 100644
--- a/Project/applications/smartcities/json.c
+++ b/Project/applications/smartcities/json.c
@@ -26,7 +26,7 @@ char* prepare_json_register_statement(module mod, sensor sens)
 	char ID[MODULE_ID_LENGTH+3];
 	length = 23;
 	strcpy(ID,mod.ID);
-	sprintf(ID+MODULE_ID_LENGTH,"%d",sens.ID);
+	sprintf(ID+MODULE_ID_LENGTH,"%X",sens.ID);
 	str_aux = join_strings("{\"sensors\":[{\"sensor\":\"",ID,length,MODULE_ID_LENGTH+2,JOIN_NO_FREE);
 	length += MODULE_ID_LENGTH+2;
 	str_aux2 = join_strings(str_aux,"\",\"description\":\"",length,17,JOIN_NO_FREE);
@@ -98,23 +98,21 @@ uint8_t send_json(char* statement, uint32_t length, char* provider_ID, char* sen
 	if(sensor_ID == NULL) //Register sensor
 	{
 		URL = (char*) chHeapAlloc(NULL,8+strlen(SERVER_HOSTNAME));
-		strcpy(URL,"http://");
-		strcpy(URL+7,SERVER_HOSTNAME);
+		strcpy(URL,SERVER_HOSTNAME);
 		PATH = (char*) chHeapAlloc(NULL,10+strlen(provider_ID));
 		strcpy(PATH,"/catalog/");
 		strcpy(PATH+9,provider_ID);
 	}
 	else //Post data
 	{
-		URL = (char*) chHeapAlloc(NULL,8+strlen(SERVER_HOSTNAME));
-		strcpy(URL,"http://");
-		strcpy(URL+7,SERVER_HOSTNAME);
-		URL[7+strlen(SERVER_HOSTNAME)] = '\0';
-		PATH = (char*) chHeapAlloc(NULL,8+strlen(provider_ID)+strlen(sensor_ID));
-		strcpy(PATH,"/data/");
-		strcpy(PATH+6,provider_ID);
-		strcpy(PATH+6+strlen(provider_ID),sensor_ID);
-		PATH[7+strlen(provider_ID)+strlen(sensor_ID)] = '\0';
+		URL = (char*) chHeapAlloc(NULL,1+strlen(SERVER_HOSTNAME));
+		strcpy(URL,SERVER_HOSTNAME);
+		URL[strlen(SERVER_HOSTNAME)] = '\0';
+		PATH = (char*) chHeapAlloc(NULL,22+strlen(provider_ID)+strlen(sensor_ID));
+		strcpy(PATH,"/data/modularupload/");
+		strcpy(PATH+20,provider_ID);
+		strcpy(PATH+20+strlen(provider_ID),sensor_ID);
+		PATH[21+strlen(provider_ID)+strlen(sensor_ID)] = '\0';
 	}
 	struct httpHeaders server = { put,PATH,strlen(PATH),URL,strlen(URL)};
 	response_code = httpRequest(server, statement, length);
diff --git a/Project/applications/smartcities/main_demo.c b/Project/applications/smartcities/main_demo.c
new file mode 100644
index 0000000..db4a68f
--- /dev/null
+++ b/Project/applications/smartcities/main_demo.c
@@ -0,0 +1,145 @@
+#include "libwismart.h"
+#include "libwismart_irqs.h" /* implement irq handlers */
+#include "lwip/inet.h"
+#include "globals.h"
+#include "httpClient.h"
+#include "callbacks.h"
+//#include "buffer.h"
+#include "json.h"
+#include "ntp.h"
+#include "i2c.h"
+
+#define WIFI_MODE				WIFI_MODE_CLIENT
+#define NETWORK_SSID			"linksys"
+#define NETWORK_KEY             ""
+#define WPA_USER				"smartcities"
+#define WPA_PASS				"superpass"
+
+uint8_t connected = 0;
+
+void initLibwismart(void)
+{
+	wismart_hwif_t hwif = libwismart_GetDefaultHWIF();
+	libwismart_Init(hwif);
+}
+
+int main(void)
+{
+	struct wpa_param wpa;
+	wpa.eap_method = WISMART_EAP_METHOD_TTLS;
+	wpa.u.ttls.identity=WPA_USER;
+	wpa.u.ttls.password=WPA_PASS;
+	wpa.u.ttls.ca_cert=NULL;
+	initLibwismart();
+	libwismart_PowerSave_Enable();
+	libwismart_PowerSave_HigherProfile(TRUE);
+	libwismart_RegisterDhcpCB(dhcp_connect_result_cb);	
+	libwismart_WiFiInit();
+	libwismart_WiFiConnectEnterprise(NETWORK_SSID, &wpa, wifi_connect_result_cb);
+
+	printf("WiSmart initialized\r\n");
+
+	while(!connected)
+	{chThdSleepMilliseconds(500);}
+
+	uint16_t received_data;
+	char answer[10];
+
+	I2C_init();
+	printf("I2C Initialized\r\n");
+	/*I2C_start(I2C1,0x77 << 1, I2C_Direction_Transmitter);
+	I2C_write(I2C1, 0xF4);
+	I2C_write(I2C1, 0x2E);
+	I2C_stop(I2C1);
+	printf("I2C Temperature measurment started\r\n");
+
+    I2C_start(I2C1,0x77 << 1, I2C_Direction_Transmitter);
+	I2C_write(I2C1, 0xF6);
+	I2C_stop(I2C1);
+	printf("I2C Temperature measurment request sent\r\n");
+
+  	I2C_start(I2C1, 0x77<<1, I2C_Direction_Receiver);
+  	printf("I2C Read request sent\r\n");
+ 	received_data = I2C_read_ack(I2C1);
+ 	received_data = received_data << 8;
+ 	received_data = received_data | I2C_read_ack(I2C1);
+	printf("I2C data received\r\n");
+
+	sprintf(answer,"%d",received_data);
+	printf("Data: %s\r\n",answer);*/
+
+	I2C_start(I2C1,0x39 << 1, I2C_Direction_Transmitter);
+	I2C_write(I2C1, 0x0C);
+	I2C_stop(I2C1);
+	printf("I2C Temperature measurment request sent\r\n");
+
+  	I2C_start(I2C1, 0x39<<1, I2C_Direction_Receiver);
+  	printf("I2C Read request sent\r\n");
+ 	received_data = I2C_read_ack(I2C1);
+ 	received_data = received_data << 8;
+ 	received_data = received_data | I2C_read_ack(I2C1);
+	printf("I2C data received\r\n");
+
+	sprintf(answer,"%d",received_data);
+	printf("Data: %s\r\n",answer);
+
+	char **buffer;
+	buffer = chHeapAlloc(NULL,sizeof (char *) * 1);
+	
+	udpNTP_Setup();
+	Date time=getDate();
+
+	libwismart_EnableBsdSocketAPI();
+
+	buffer[0] = timestamp_data(answer,time);
+
+	printf("Init JSON statement\r\n");
+	char* statement = prepare_json_observation_statement(buffer,1);
+	chHeapFree(buffer[0]);
+	printf("Statement: ");
+	printf("%s\r\n",statement);
+	uint8_t result = send_json(statement, strlen(statement), "bmp", "085");
+	if(result == JSON_POST_OK)
+	{
+		printf("JSON_POST_OK\r\n");
+	}
+	else if(result == JSON_COMM_ERROR)
+	{
+		printf("JSON_COMM_ERROR\r\n");
+	}
+	else if(result == JSON_OTHER_ERROR)
+	{
+		printf("JSON_OTHER_ERROR\r\n");
+	}
+	else
+	{
+		printf("WTF I don't even\r\n");
+	}
+		
+	for(;;)
+	{
+		/*// i2c get info= data
+		char* data=NULL;
+		put_message(data, buffer ,&ind);
+		int res=check_memory();
+		if(res==SOFT_REACHED){
+
+			int ok=send(buffer, ind, "", "");
+			if(ok==JSON_COMM_ERROR)
+			{
+				printf("wismart is not connected\r\n");
+			}
+			else if( ok==JSON_OTHER_ERROR){
+				printf("some error ocurred\r\n");
+			}
+			else if(ok ==JSON_POST_OK){
+				printf(" send OK \r\n");
+			}
+		}
+		else if(res==HARD_REACHED){
+			destroy(buffer);
+		}*/
+		chThdSleepMilliseconds(500);
+	}
+}
+