diff --git a/Core/Inc/sys_conf.h b/Core/Inc/sys_conf.h
index 891bd1a..97656db 100644
--- a/Core/Inc/sys_conf.h
+++ b/Core/Inc/sys_conf.h
@@ -52,7 +52,7 @@ extern "C" {
 /**
   * @brief Enable trace logs
   */
-#define APP_LOG_ENABLED                      0
+#define APP_LOG_ENABLED                      1
 
 /**
   * @brief Activate monitoring (probes) of some internal RF signals for debug purpose
diff --git a/LoRaWAN/App/lora_app.c b/LoRaWAN/App/lora_app.c
index 28c2707..152755e 100644
--- a/LoRaWAN/App/lora_app.c
+++ b/LoRaWAN/App/lora_app.c
@@ -59,7 +59,7 @@ volatile sts_cfg_nvm_t sts_cfg_nvm={sts_mtmcode1,sts_mtmcode2, sts_version, sts_
  {0xFF,0xFF,0xFF,0xFF,0xFF,  0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF}
 };
 volatile uint32_t SamplingPeriodicity = 1000; 		//unit ms
-volatile uint32_t HeartBeatPeriodicity = 120000; 		//unit ms
+volatile uint32_t HeartBeatPeriodicity = 3600000; 		//unit ms
 
 #ifdef YUNHORN_STS_M7_ENABLED
 extern volatile uint8_t sensor_data_ready;