diff --git a/pyaci/aci/AciEvent.py b/pyaci/aci/AciEvent.py
index 1eb139f..911149c 100644
--- a/pyaci/aci/AciEvent.py
+++ b/pyaci/aci/AciEvent.py
@@ -127,7 +127,8 @@ def __init__(self,pkt):
             logging.error("Invalid length for %s event: %s", self.__class__.__name__, str(pkt))
         else:
             self.ValueHandle = (pkt[3] << 8) + pkt[2]
-            self.Data = pkt[4:]
+            self.VersionDelta = (pkt[5] << 8) + pkt[4]
+            self.Data = pkt[6:]
 
     def is_sensor_update(self):
         return self.ValueHandle >> 8 == 0x01
@@ -137,7 +138,7 @@ def sensor_values(self):
 
     def __repr__(self):
         if self.is_sensor_update():
-            return str.format("%s %s" %(self.__class__.__name__, self.sensor_values()))
+            return str.format("%s(%d) %s" %(self.__class__.__name__, self.VersionDelta, self.sensor_values()))
         else:
             return str.format("%s length:%d opcode:0x%02x value_handle:0x%04x data:%s" %(self.__class__.__name__, self.Len, self.OpCode, self.ValueHandle, self.Data))
 
diff --git a/rbc_mesh/include/serial_evt.h b/rbc_mesh/include/serial_evt.h
index 4770990..29a65ae 100644
--- a/rbc_mesh/include/serial_evt.h
+++ b/rbc_mesh/include/serial_evt.h
@@ -134,24 +134,28 @@ typedef __packed_armcc struct
 typedef __packed_armcc struct
 {
     rbc_mesh_value_handle_t handle;
+    uint16_t version_delta;
     uint8_t data[RBC_MESH_VALUE_MAX_LEN];
 } __packed_gcc serial_evt_params_event_new_t;
 
 typedef __packed_armcc struct
 {
     rbc_mesh_value_handle_t handle;
+    uint16_t version_delta;
     uint8_t data[RBC_MESH_VALUE_MAX_LEN];
 } __packed_gcc serial_evt_params_event_update_t;
 
 typedef __packed_armcc struct
 {
     rbc_mesh_value_handle_t handle;
+    uint16_t version_delta;
     uint8_t data[RBC_MESH_VALUE_MAX_LEN];
 } __packed_gcc serial_evt_params_event_conflicting_t;
 
 typedef __packed_armcc struct
 {
     rbc_mesh_value_handle_t handle;
+    uint16_t version_delta;
     uint8_t data[RBC_MESH_VALUE_MAX_LEN];
 } __packed_gcc serial_evt_params_event_tx_t;
 
diff --git a/rbc_mesh/rbc_mesh.h b/rbc_mesh/rbc_mesh.h
index 463198e..d4042ae 100644
--- a/rbc_mesh/rbc_mesh.h
+++ b/rbc_mesh/rbc_mesh.h
@@ -65,8 +65,8 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     #if defined(WITH_ACK_MASTER) || defined (WITHOUT_ACK_MASTER)
           #define RBC_MESH_HANDLE_CACHE_ENTRIES           (105)
     #else
-          #define RBC_MESH_HANDLE_CACHE_ENTRIES           (10)
-    #endif      
+          #define RBC_MESH_HANDLE_CACHE_ENTRIES           (20)
+    #endif
 #endif
 
 /** @brief Default value for the number of data cache entries */
@@ -74,7 +74,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     #if defined(WITH_ACK_MASTER) || defined (WITHOUT_ACK_MASTER)
          #define RBC_MESH_DATA_CACHE_ENTRIES             (105)
     #else
-         #define RBC_MESH_DATA_CACHE_ENTRIES             (10)
+         #define RBC_MESH_DATA_CACHE_ENTRIES             (20)
     #endif
 #endif
 
@@ -612,4 +612,3 @@ void rbc_mesh_event_release(rbc_mesh_event_t* p_evt);
 void rbc_mesh_packet_peek_cb_set(rbc_mesh_packet_peek_cb_t packet_peek_cb);
 
 #endif /* _RBC_MESH_H__ */
-
diff --git a/rbc_mesh/src/mesh_aci.c b/rbc_mesh/src/mesh_aci.c
index ffbe4f2..4851854 100644
--- a/rbc_mesh/src/mesh_aci.c
+++ b/rbc_mesh/src/mesh_aci.c
@@ -645,11 +645,12 @@ void mesh_aci_rbc_event_handler(rbc_mesh_event_t* evt)
             break;
     }
 
-    /* serial overhead: opcode + handle = 3 */
-    serial_evt.length = 3 + evt->params.rx.data_len;
+    /* serial overhead: opcode + handle + version = 5 */
+    serial_evt.length = 5 + evt->params.rx.data_len;
 
     /* all event parameter types are the same, just use event_update for all */
     serial_evt.params.event_update.handle = evt->params.rx.value_handle;
+    serial_evt.params.event_update.version_delta = evt->params.rx.version_delta;
     memcpy(serial_evt.params.event_update.data, evt->params.rx.p_data, evt->params.rx.data_len);
 
     serial_handler_event_send(&serial_evt);
diff --git a/src/main.c b/src/main.c
index 573f51c..1a9a479 100644
--- a/src/main.c
+++ b/src/main.c
@@ -188,16 +188,27 @@ int main(void)
     sensor_init();
   }
 
+  error_code = rbc_mesh_value_enable(TEST_LED_HANDLE);
+  APP_ERROR_CHECK(error_code);
+
   // Start clock
   start_clock(0);
 
    //rbc_mesh_stop();
   //rbc_mesh_start();
   //sd_app_evt_wait();
-  while(1) {
-    __WFE();
-    __SEV();
-    __WFE();
-  }
+  // while(1) {
+  //   __WFE();
+  //   __SEV();
+  //   __WFE();
+  // }
 
+  rbc_mesh_event_t evt;
+  while (true) {
+    if (rbc_mesh_event_get(&evt) == NRF_SUCCESS) {
+      rbc_mesh_event_handler(&evt);
+      rbc_mesh_event_release(&evt);
+    }
+    sd_app_evt_wait();
+  }
 }
diff --git a/src/shoe_accel.c b/src/shoe_accel.c
index 60692de..a27dcbc 100644
--- a/src/shoe_accel.c
+++ b/src/shoe_accel.c
@@ -9,7 +9,6 @@
 #define Z_PIN 6
 
 void shoe_accel_init() {
-  return;
   nrf_gpio_cfg_output(ACCEL_POWER_PIN);
   nrf_gpio_cfg_input(X_PIN, NRF_GPIO_PIN_NOPULL);
   nrf_gpio_cfg_input(Z_PIN, NRF_GPIO_PIN_NOPULL);