diff --git a/components/UDPlogger b/components/UDPlogger
index 4c4090f..6975d0d 160000
--- a/components/UDPlogger
+++ b/components/UDPlogger
@@ -1 +1 @@
-Subproject commit 4c4090f65326713edaa2690eca9fa9f812bce432
+Subproject commit 6975d0d7288f965cb6976398550f187644669ae3
diff --git a/components/esp-adv-button b/components/esp-adv-button
index 7a47c65..2cb3973 160000
--- a/components/esp-adv-button
+++ b/components/esp-adv-button
@@ -1 +1 @@
-Subproject commit 7a47c659b5b5e17a5c69afc4524730daa7ce6335
+Subproject commit 2cb3973d96c002cbb79e5f1b8fe56798b011aaba
diff --git a/components/esp-homekit b/components/esp-homekit
index 62e2501..b869862 160000
--- a/components/esp-homekit
+++ b/components/esp-homekit
@@ -1 +1 @@
-Subproject commit 62e25013da3a33fee795896ae6a1252ffe4883f3
+Subproject commit b869862d2c89ff84fb46c641c8afd83cabb12f48
diff --git a/components/esp-homekit-common-functions b/components/esp-homekit-common-functions
index 26bed52..69705bd 160000
--- a/components/esp-homekit-common-functions
+++ b/components/esp-homekit-common-functions
@@ -1 +1 @@
-Subproject commit 26bed5216da6e252ac631705569ddee5045bafc6
+Subproject commit 69705bdc07007bb3467ac0d1c4667f5b66bafc2d
diff --git a/components/esp-wifi-config b/components/esp-wifi-config
index fe2e989..06901b7 160000
--- a/components/esp-wifi-config
+++ b/components/esp-wifi-config
@@ -1 +1 @@
-Subproject commit fe2e98971c4af763b2f71c0a03a1d63a26883ece
+Subproject commit 06901b7d115572b62d0f638157b31e3299010731
diff --git a/components/esp-wolfssl b/components/esp-wolfssl
index 7021efd..790b040 160000
--- a/components/esp-wolfssl
+++ b/components/esp-wolfssl
@@ -1 +1 @@
-Subproject commit 7021efd84f54c7dab11e85d33541a93f67b33d61
+Subproject commit 790b040170e36381e280d881bb882ba8b414d86c
diff --git a/src/Makefile b/src/Makefile
index 5a1bde1..e45d791 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -33,6 +33,7 @@ EXTRA_CFLAGS += -DHOMEKIT_OVERCLOCK_PAIR_VERIFY
 EXTRA_CFLAGS += -DHOMEKIT_OVERCLOCK_PAIR_SETUP
 EXTRA_CFLAGS += -DUDPLOG_PRINTF_TO_UDP
 EXTRA_CFLAGS += -DUDPLOG_PRINTF_ALSO_SERIAL
+EXTRA_CFLAGS += -DconfigUSE_TRACE_FACILITY
 
 
 
diff --git a/src/main.c b/src/main.c
index 744fe00..b50566e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -146,13 +146,28 @@ homekit_accessory_t *accessories[] = {
 };
 
 
+void recover_from_reset (int reason){
+    /* called if we restarted abnormally */
+    printf ("%s: reason %d\n", __func__, reason);
+    load_characteristic_from_flash(&switch_on);
+    relay_write(switch_on.value.bool_value, relay_gpio);
+}
+
+void save_characteristics ( ){
+    /* called on a timer to save an values yuo want save after update */
+    printf ("%s:\n", __func__);
+    /* save_characteristic_to_flash(&switch_on, switch_on.value); don't reall need to sabve state of a light switch */
+    save_characteristic_to_flash(&wifi_check_interval, wifi_check_interval.value);
+}
+
+
 void accessory_init_not_paired (void) {
     /* initalise anything you don't want started until wifi and homekit imitialisation is confirmed, but not paired */
 }
 
 void accessory_init (void ){
     /* initalise anything you don't want started until wifi and pairing is confirmed */
-    
+    homekit_characteristic_notify(&switch_on, switch_on.value);
 }
 
 homekit_server_config_t config = {