diff --git a/examples/osd/climate/er-example-server.c b/examples/osd/climate/er-example-server.c
index 9fb0ee36a..d4a3042f7 100644
--- a/examples/osd/climate/er-example-server.c
+++ b/examples/osd/climate/er-example-server.c
@@ -72,7 +72,7 @@
 #endif
 #if REST_RES_DHT11
 #include "dev/dht11.h"
-uint8_t dht11_temp=0, dht11_hum=0;
+uint16_t dht11_temp=0, dht11_hum=0;
 #endif
 
 #if defined (PLATFORM_HAS_BUTTON)
@@ -141,7 +141,7 @@ info_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_
 
   /* Some data that has the length up to REST_MAX_CHUNK_SIZE. For more, see the chunk resource. */
        // jSON Format
-     index += sprintf(message + index,"{\n \"version\" : \"V0.3\",\n");
+     index += sprintf(message + index,"{\n \"version\" : \"V0.4\",\n");
      index += sprintf(message + index," \"name\" : \"6lowpan-climate\"\n");
      index += sprintf(message + index,"}\n");
 
@@ -691,8 +691,7 @@ hw_init()
   ds1820_temp();
 #endif
 #if REST_RES_DHT11
-  dht11_temp=DHT_Read_Data(DHT_Temp);
-  dht11_hum=DHT_Read_Data(DHT_RH);
+  DHT_Read_Data(&dht11_temp, &dht11_hum);
 #endif
 }
 #define MESURE_INTERVAL		(20 * CLOCK_SECOND)
@@ -802,8 +801,7 @@ PROCESS_THREAD(rest_server_example, ev, data)
         PRINTF("Periodic\n");
         etimer_reset(&ds_periodic_timer);
 #if REST_RES_DHT11
-        dht11_temp=DHT_Read_Data(DHT_Temp);
-        dht11_hum=DHT_Read_Data(DHT_RH);
+        DHT_Read_Data(&dht11_temp, &dht11_hum);
 #endif
 #if REST_RES_DS1820
         if(ds1820_convert()){
diff --git a/platform/osd-merkur/dev/dht11.c b/platform/osd-merkur/dev/dht11.c
index 7fd96da8f..8ab1d28cd 100644
--- a/platform/osd-merkur/dev/dht11.c
+++ b/platform/osd-merkur/dev/dht11.c
@@ -29,7 +29,10 @@
 #define udelay(u) clock_delay_usec(u)
 #define mdelay(u) clock_delay_msec(u)
 
-uint8_t DHT_Read_Data(uint8_t select){
+// define for DHT11 else for DHT22, RHT03 
+#define DHT11	1
+
+uint8_t DHT_Read_Data(uint16_t *temperature, uint16_t *humidity){
 
     //data[5] is 8byte table where data come from DHT are stored
     //laststate holds laststate value
@@ -48,13 +51,17 @@ uint8_t DHT_Read_Data(uint8_t select){
     //Set pin Output
     //Pin High
     DHT_DRIVE();
-    mdelay(250);                     //Wait for 250mS
+//    mdelay(250);                     //Wait for 250mS
+    mdelay(100);                     //Wait for 100mS
     
     //Send Request Signal
     //Pin Low
-    OUTP_0();
-    mdelay(20);                      //20ms Low 
-    
+    OUTP_0();                      //20ms Low 
+#if DHT11
+	mdelay(20);
+#else
+	udelay(500);
+#endif
     //Pin High
     OUTP_1();
     udelay(40);                      //40us High
@@ -106,12 +113,17 @@ uint8_t DHT_Read_Data(uint8_t select){
     
     //Check if data received are correct by checking the CheckSum
     if (data[0] + data[1] + data[2] + data[3] == data[4]) {
-        if (select==DHT_Temp) {     //Return the value has been choosen
-            return(data[2]);
-        }else if(select==DHT_RH){
-            return(data[0]);
-        }
+#ifdef DHT11
+        *humidity = data[0];
+        *temperature = data[2];
+#else
+        *humidity = (uint16_t)data[0]<<8 | data[1];
+        *temperature = (uint16_t)data[2]<<8 | data[3];
+#endif
+        return 0;
     }else{
+        *humidity = 2;
+        *temperature = 2;
 //        uart_puts("\r\nCheck Sum Error");
     }
  
diff --git a/platform/osd-merkur/dev/dht11.h b/platform/osd-merkur/dev/dht11.h
index 7012b75c6..6cf757e5d 100644
--- a/platform/osd-merkur/dev/dht11.h
+++ b/platform/osd-merkur/dev/dht11.h
@@ -63,10 +63,5 @@
 //and 2 transitions which indicates End Of Frame. In total 84
 #define MAXTIMINGS  84
 
-//Select between Temp and Humidity Read
-#define DHT_Temp    0
-#define DHT_RH      1
-
 //This is the main function which requests and reads the packet
-uint8_t DHT_Read_Data(uint8_t select);
-
+uint8_t DHT_Read_Data(uint16_t *temperature, uint16_t *humidity);