diff --git a/src/driver/drv_tuyaMCU.c b/src/driver/drv_tuyaMCU.c
index bb2b0428d..321ddfc99 100644
--- a/src/driver/drv_tuyaMCU.c
+++ b/src/driver/drv_tuyaMCU.c
@@ -727,6 +727,17 @@ void TuyaMCU_ApplyMapping(int fnID, int value) {
     CHANNEL_Set(mapping->channel,mappedValue,0);
 }
 
+bool TuyaMCU_IsChannelUsedByTuyaMCU(int channel) {
+	tuyaMCUMapping_t *mapping;
+
+	// find mapping
+	mapping = TuyaMCU_FindDefForChannel(channel);
+
+	if (mapping == 0) {
+		return false;
+	}
+	return true;
+}
 void TuyaMCU_OnChannelChanged(int channel, int iVal) {
     tuyaMCUMapping_t *mapping;
     int mappediVal = iVal;
diff --git a/src/driver/drv_tuyaMCU.h b/src/driver/drv_tuyaMCU.h
index 348aacf2b..802875162 100644
--- a/src/driver/drv_tuyaMCU.h
+++ b/src/driver/drv_tuyaMCU.h
@@ -5,3 +5,5 @@ void TuyaMCU_RunFrame();
 void TuyaMCU_Send(byte *data, int size);
 void TuyaMCU_OnChannelChanged(int channel,int iVal);
 void TuyaMCU_Send_RawBuffer(byte *data, int len);
+bool TuyaMCU_IsChannelUsedByTuyaMCU(int channelIndex);
+
diff --git a/src/driver/drv_tuyaMCUSensor.c b/src/driver/drv_tuyaMCUSensor.c
index 2ef49319a..0fe1a8d99 100644
--- a/src/driver/drv_tuyaMCUSensor.c
+++ b/src/driver/drv_tuyaMCUSensor.c
@@ -13,6 +13,8 @@
 
 static int g_elapsedTime = 0;
 static int g_hadMQTT = 0;
+static int g_delay_between_publishes = 10;
+static int g_cur_delay_publish = 0;
 
 static byte g_hello[] =  { 0x55, 0xAA, 0x00, 0x01, 0x00, 0x00, 0x00 };
 static byte g_request_state[] =  { 0x55, 0xAA, 0x00, 0x02, 0x00, 0x01, 0x04, 0x06 };
@@ -33,6 +35,10 @@ void TuyaMCU_Sensor_RunFrame() {
 		if(Main_HasMQTTConnected()) {
 			g_hadMQTT++;
 			if(g_hadMQTT > 2){
+				g_cur_delay_publish--;
+				if (g_cur_delay_publish <= 0) {
+
+				}
 				MQTT_PublishOnlyDeviceChannelsIfPossible();
 			}
 		} else {
diff --git a/src/httpserver/http_fns.c b/src/httpserver/http_fns.c
index 44e5be31c..ba27b4e2d 100644
--- a/src/httpserver/http_fns.c
+++ b/src/httpserver/http_fns.c
@@ -2359,7 +2359,7 @@ const char* g_obk_flagNames[] = {
 	"[MQTT] Broadcast led final color RGBCW (topic name: YourDevName/led_finalcolor_rgbcw/get)",
 	"[LED] Automatically enable Light when changing brightness, color or temperature on WWW panel",
 	"[LED] Smooth transitions for LED (EXPERIMENTAL)",
-	"error",
+	"[MQTT] Always publish channels used by TuyaMCU",
 	"error",
 	"error",
 };
diff --git a/src/mqtt/new_mqtt.c b/src/mqtt/new_mqtt.c
index fffda134b..0c0d1ceca 100644
--- a/src/mqtt/new_mqtt.c
+++ b/src/mqtt/new_mqtt.c
@@ -9,6 +9,7 @@
 #include "../hal/hal_wifi.h"
 #include "../driver/drv_public.h"
 #include "../driver/drv_ntp.h"
+#include "../driver/drv_tuyaMCU.h"
 #include "../ota/ota.h"
 
 #ifndef LWIP_MQTT_EXAMPLE_IPADDR_INIT
@@ -1136,8 +1137,10 @@ OBK_Publish_Result MQTT_DoItemPublishString(const char* sChannel, const char* va
 
 OBK_Publish_Result MQTT_DoItemPublish(int idx)
 {
+	int type;
 	int role;
 	char dataStr[3 * 6 + 1];  //This is sufficient to hold mac value
+	bool bWantsToPublish;
 
 	switch (idx) {
 	case PUBLISHITEM_SELF_STATIC_RESERVED_2:
@@ -1205,8 +1208,19 @@ OBK_Publish_Result MQTT_DoItemPublish(int idx)
 	// We do not need raw values for RGBCW lights (or RGB, etc)
 	// because we are using led_basecolor_rgb, led_dimmer, led_enableAll, etc
 	// NOTE: negative indexes are not channels - they are special values
+	bWantsToPublish = false;
 	role = CHANNEL_GetRoleForOutputChannel(idx);
 	if (role == IOR_Relay || role == IOR_Relay_n || role == IOR_LED || role == IOR_LED_n) {
+		bWantsToPublish = true;
+	}
+	// publish if channel is used by TuyaMCU (no pin role set), for example door sensor state with power saving V0 protocol
+	// Not enabled by default, you have to set OBK_FLAG_TUYAMCU_ALWAYSPUBLISHCHANNELS flag
+	if (CFG_HasFlag(OBK_FLAG_TUYAMCU_ALWAYSPUBLISHCHANNELS) && TuyaMCU_IsChannelUsedByTuyaMCU(idx)) {
+		bWantsToPublish = true;
+	}
+	// TODO
+	//type = CHANNEL_GetType(idx);
+	if (bWantsToPublish) {
 		return MQTT_ChannelPublish(g_publishItemIndex, OBK_PUBLISH_FLAG_MUTEX_SILENT);
 	}
 
diff --git a/src/new_pins.h b/src/new_pins.h
index bbc10a8a5..cc36cdad8 100644
--- a/src/new_pins.h
+++ b/src/new_pins.h
@@ -157,9 +157,10 @@ typedef struct pinsState_s {
 #define OBK_FLAG_LED_BROADCAST_FULL_RGBCW			16
 #define OBK_FLAG_LED_AUTOENABLE_ON_WWW_ACTION		17
 #define OBK_FLAG_LED_SMOOTH_TRANSITIONS				18
+#define OBK_FLAG_TUYAMCU_ALWAYSPUBLISHCHANNELS		19
 
 
-#define OBK_TOTAL_FLAGS 19
+#define OBK_TOTAL_FLAGS 20
 
 
 #define CGF_MQTT_CLIENT_ID_SIZE			64