diff --git a/pico-sensor/src/MinIniKeys.h b/pico-sensor/src/MinIniKeys.h
index 7f1ae88..27d5824 100644
--- a/pico-sensor/src/MinIniKeys.h
+++ b/pico-sensor/src/MinIniKeys.h
@@ -35,6 +35,7 @@
   #define NVMC_MININI_KEY_MQTT_PASS                "pass"     /* string, password */
   #define NVMC_MININI_KEY_MQTT_PUBLISH             "publish"  /* bool, if publishing */
   #define NVMC_TOPIC_NAME_SENSORS_UPDATE         "topic_sensor_update" /*<user>/<room>/<device>/update*/
+  #define NVMC_TOPIC_NAME_SEND_MEASUREMENT       "topic_send_measurement" /*<user>/<room>/<device>/cmd/measure*/
 #endif
 
 #if PL_CONFIG_USE_NTP_CLIENT
diff --git a/pico-sensor/src/mqtt_client.c b/pico-sensor/src/mqtt_client.c
index c9856e4..caab7ef 100644
--- a/pico-sensor/src/mqtt_client.c
+++ b/pico-sensor/src/mqtt_client.c
@@ -45,7 +45,8 @@
 #define MQTT_DEFAULT_USER     "user"
 #define MQTT_DEFAULT_PASS     "password"
 #define MQTT_DEFAULT_PUBLISH  true
-#define DEFAULT_TOPIC_NAME_SENSORS_UPDATE         "user/room/device/update" /*<user>/<room>/<device>/update*/
+#define DEFAULT_TOPIC_NAME_SENSORS_UPDATE         "user/room/device/update"
+#define DEFAULT_TOPIC_NAME_SEND_MEASUREMENT       "user/room/device/command/new_measurement"
 
 typedef struct mqtt_t {
   mqtt_client_t *mqtt_client;       /* lwIP MQTT client handle */
@@ -55,6 +56,7 @@ typedef struct mqtt_t {
   unsigned char client_user[32];    /* client user name used for connection */
   unsigned char client_pass[96];    /* client user password */
   unsigned char sensors_update_topic[64]; /* topic name for sensor updates */
+  unsigned char send_measurement_topic[64]; /* topic name for sending measurement */
   topic_ID_e in_pub_ID;             /* incoming published ID, set in the incoming_publish_cb and used in the incoming_data_cb */
   /* configuration settings */
   bool doLogging; /* if it shall write log messages */
@@ -375,7 +377,7 @@ static void mqtt_connection_cb(mqtt_client_t *client, void *arg, mqtt_connection
     }
 #elif MQTT_CLIENT_IS_SENSOR
   	  err = mqtt_sub_unsub(client,
-            "<user>/<room>/<device>/command/new_measure",
+            mqtt.send_measurement_topic, /* topic: send measurement command */
             1, /* quality of service */
             mqtt_request_cb, // Callback to call when subscribe/unsubscribe response is received
             LWIP_CONST_CAST(void*, client_info),
@@ -407,6 +409,7 @@ uint8_t MqttClient_Connect(void) {
   McuMinINI_ini_gets(NVMC_MININI_SECTION_MQTT, NVMC_MININI_KEY_MQTT_USER, MQTT_DEFAULT_USER, mqtt.client_user, sizeof(mqtt.client_user), NVMC_MININI_FILE_NAME);
   McuMinINI_ini_gets(NVMC_MININI_SECTION_MQTT, NVMC_MININI_KEY_MQTT_PASS, MQTT_DEFAULT_PASS, mqtt.client_pass, sizeof(mqtt.client_pass), NVMC_MININI_FILE_NAME);
   McuMinINI_ini_gets(NVMC_MININI_SECTION_MQTT, NVMC_TOPIC_NAME_SENSORS_UPDATE, DEFAULT_TOPIC_NAME_SENSORS_UPDATE, mqtt.sensors_update_topic, sizeof(mqtt.sensors_update_topic), NVMC_MININI_FILE_NAME);
+  McuMinINI_ini_gets(NVMC_MININI_SECTION_MQTT, NVMC_TOPIC_NAME_SEND_MEASUREMENT, DEFAULT_TOPIC_NAME_SEND_MEASUREMENT, mqtt.send_measurement_topic, sizeof(mqtt.send_measurement_topic), NVMC_MININI_FILE_NAME);
   mqtt.doPublishing = McuMinINI_ini_getbool(NVMC_MININI_SECTION_MQTT, NVMC_MININI_KEY_MQTT_PASS, MQTT_DEFAULT_PUBLISH, NVMC_MININI_FILE_NAME);
 #else
   McuUtility_strcpy(mqtt.broker, sizeof(mqtt.broker), MQTT_DEFAULT_BROKER);
diff --git a/pico-sensor/src/mqtt_client.h b/pico-sensor/src/mqtt_client.h
index b1bf130..9386b3f 100644
--- a/pico-sensor/src/mqtt_client.h
+++ b/pico-sensor/src/mqtt_client.h
@@ -81,6 +81,7 @@ typedef enum topic_ID_e {
   Topic_ID_Charging_Power,     /* actual charging power */
 #elif MQTT_CLIENT_IS_SENSOR
   Topic_ID_Sensor_Update,
+  Topic_ID_Send_Measurement
 #endif
 } topic_ID_e;