diff --git a/.github/workflows/workflow.yaml b/.github/workflows/workflow.yaml
index 4db52bb8a..82e4b1f30 100644
--- a/.github/workflows/workflow.yaml
+++ b/.github/workflows/workflow.yaml
@@ -217,6 +217,8 @@ jobs:
             
           - platform: OpenBL602
             variant: berry
+          #- platform: OpenBL602
+          #  variant: irRemoteESP
     steps:
       - name: Source checkout
         uses: actions/checkout@v4
diff --git a/platforms/BL602/bouffalo.mk b/platforms/BL602/bouffalo.mk
index 3340666e6..4d9a7acdf 100644
--- a/platforms/BL602/bouffalo.mk
+++ b/platforms/BL602/bouffalo.mk
@@ -6,7 +6,8 @@ COMPONENT_ADD_INCLUDEDIRS += src/ src/httpserver/ src/httpclient/ src/cmnds/ src
 ## not be exported to project level
 COMPONENT_PRIV_INCLUDEDIRS :=
 
-CFLAGS += -DOBK_VARIANT=${OBK_VARIANT}
+CPPFLAGS += -DOBK_VARIANT=${OBK_VARIANT} -Wno-undef
+CXXFLAGS += -Wno-delete-non-virtual-dtor -Wno-error=format
 
 ## This component's src 
 COMPONENT_SRCS := 
@@ -14,6 +15,6 @@ COMPONENT_SRCS :=
 COMPONENT_OBJS := $(patsubst %.c,%.o, $(COMPONENT_SRCS))
 COMPONENT_OBJS := $(patsubst %.S,%.o, $(COMPONENT_OBJS))
 
-COMPONENT_SRCDIRS := src/ src/jsmn src/httpserver src/httpclient src/cmnds src/logging src/hal/bl602 src/mqtt src/i2c src/cJSON src/base64 src/driver src/devicegroups src/bitmessage src/littlefs src/hal/generic libraries/berry/src src/berry src/berry/modules
+COMPONENT_SRCDIRS := src/ src/jsmn src/httpserver src/httpclient src/cmnds src/logging src/hal/bl602 src/mqtt src/i2c src/cJSON src/base64 src/driver src/devicegroups src/bitmessage src/littlefs src/hal/generic libraries/berry/src src/berry src/berry/modules src/libraries/IRremoteESP8266/src
 
 COMPONENT_ADD_LDFLAGS = -Wl,--whole-archive -l$(COMPONENT_NAME) -Wl,--no-whole-archive
diff --git a/sdk/OpenBL602 b/sdk/OpenBL602
index 004656661..6f91cd2a9 160000
--- a/sdk/OpenBL602
+++ b/sdk/OpenBL602
@@ -1 +1 @@
-Subproject commit 0046566610e7197f508dea60bc8b3bd1b75bc692
+Subproject commit 6f91cd2a9f18da9e3f9d68d2e9d3a08cb6260a72
diff --git a/src/driver/drv_ir_new.cpp b/src/driver/drv_ir_new.cpp
index 9f9b817e3..d8edde3aa 100644
--- a/src/driver/drv_ir_new.cpp
+++ b/src/driver/drv_ir_new.cpp
@@ -36,6 +36,10 @@ extern "C" {
 #include "../hal/realtek/hal_pinmap_realtek.h"
 void pwmout_start(pwmout_t* obj);
 void pwmout_stop(pwmout_t* obj);
+#elif PLATFORM_BL602
+#include "bl602_timer.h"
+#include "hosal_timer.h"
+#define UINT32 uint32_t
 #endif
 
 // why can;t I call this?
@@ -133,20 +137,27 @@ Print Serial;
 extern "C" void
 #if PLATFORM_BEKEN
 DRV_IR_ISR(UINT8 t)
-#else
+#elif PLATFORM_REALTEK
 DRV_IR_ISR()
+#else
+DRV_IR_ISR(void* arg)
 #endif
 ;
 extern void IR_ISR();
 
 #if PLATFORM_BEKEN
 static UINT32 ir_chan = BKTIMER0;
+static UINT32 ir_div = 1;
+static UINT32 ir_periodus = 50;
 #elif PLATFORM_REALTEK
 static gtimer_t ir_timer;
 static UINT32 ir_chan = TIMER2;
-#endif
-static UINT32 ir_div = 1;
 static UINT32 ir_periodus = 50;
+#elif PLATFORM_BL602
+static hosal_timer_dev_t ir_timer;
+static UINT32 ir_chan = TIMER_CH0;
+static UINT32 ir_periodus = 50;
+#endif
 
 void timerConfigForReceive() {
 	// nothing here`
@@ -193,6 +204,13 @@ void _timerConfigForReceive() {
 	ADDLOG_INFO(LOG_FEATURE_IR, (char *)"ir timer enabled %u", res);
 #elif PLATFORM_REALTEK
 	gtimer_init(&ir_timer, ir_chan);
+#elif PLATFORM_BL602
+	ir_timer.port = ir_chan;
+	ir_timer.config.period = ir_periodus;
+	ir_timer.config.reload_mode = TIMER_RELOAD_PERIODIC;
+	ir_timer.config.cb = DRV_IR_ISR;
+	ir_timer.config.arg = NULL;
+	hosal_timer_init(&ir_timer);
 #endif
 }
 
@@ -206,6 +224,8 @@ static void _timer_enable() {
 	res = sddev_control((char *)TIMER_DEV_NAME, CMD_TIMER_UNIT_ENABLE, &ir_chan);
 #elif PLATFORM_REALTEK
 	gtimer_start_periodical(&ir_timer, ir_periodus, (void*)&DRV_IR_ISR, (uint32_t)&ir_timer);
+#elif PLATFORM_BL602
+	hosal_timer_start(&ir_timer);
 #endif
 	ADDLOG_INFO(LOG_FEATURE_IR, (char *)"ir timer enabled %u", res);
 }
@@ -215,6 +235,9 @@ static void _timer_disable() {
 	res = sddev_control((char *)TIMER_DEV_NAME, CMD_TIMER_UNIT_DISABLE, &ir_chan);
 #elif PLATFORM_REALTEK
 	gtimer_stop(&ir_timer);
+#elif PLATFORM_BL602
+	hosal_timer_stop(&ir_timer);
+	hosal_timer_finalize(&ir_timer);
 #endif
 	ADDLOG_INFO(LOG_FEATURE_IR, (char *)"ir timer disabled %u", res);
 }
@@ -369,8 +392,10 @@ IRrecv *ourReceiver = NULL;
 extern "C" void
 #if PLATFORM_BEKEN
 DRV_IR_ISR(UINT8 t)
-#else
+#elif PLATFORM_REALTEK
 DRV_IR_ISR()
+#else
+DRV_IR_ISR(void* arg)
 #endif
 {
 	int sending = 0;
@@ -741,9 +766,15 @@ extern "C" void DRV_IR_Init() {
 
 	int pin = -1; //9;// PWM3/25
 	int txpin = -1; //24;// PWM3/25
+	bool pup = true;
 
 	// allow user to change them
 	pin = PIN_FindPinIndexForRole(IOR_IRRecv, pin);
+	if(pin == -1)
+	{
+		pin = PIN_FindPinIndexForRole(IOR_IRRecv_nPup, pin);
+		if(pin >= 0) pup = false;
+	}
 	txpin = PIN_FindPinIndexForRole(IOR_IRSend, txpin);
 
 	if (ourReceiver){
@@ -752,19 +783,19 @@ extern "C" void DRV_IR_Init() {
 	     delete temp;
 	 }
 	ADDLOG_INFO(LOG_FEATURE_IR, (char *)"DRV_IR_Init: recv pin %i", pin);
-	if ((pin > 0) || (txpin > 0)) {
+	if ((pin >= 0) || (txpin >= 0)) {
 	}
 	else {
 		_timer_disable();
 	}
 
-	if (pin > 0) {
+	if (pin >= 0) {
 		// setup IRrecv pin as input
 		//bk_gpio_config_input_pup((GPIO_INDEX)pin); // enabled by enableIRIn
 
 		//TODO: we should specify buffer size (now set to 1024), timeout (now 90ms) and tolerance 
 		 ourReceiver = new IRrecv(pin);
-		 ourReceiver->enableIRIn(true);// try with pullup
+		 ourReceiver->enableIRIn(pup);
 	}
 
 	if (pIRsend) {
diff --git a/src/hal/bl602/hal_pins_bl602.c b/src/hal/bl602/hal_pins_bl602.c
index b82e0cadf..d468f6d80 100644
--- a/src/hal/bl602/hal_pins_bl602.c
+++ b/src/hal/bl602/hal_pins_bl602.c
@@ -31,6 +31,7 @@ int HAL_PIN_ReadDigitalInput(int index) {
 	return iVal;
 }
 void HAL_PIN_Setup_Input_Pulldown(int index) {
+	bl_gpio_enable_input(index, 0, 1);
 }
 void HAL_PIN_Setup_Input_Pullup(int index) {
 	// int bl_gpio_enable_input(uint8_t pin, uint8_t pullup, uint8_t pulldown);
@@ -67,7 +68,8 @@ void HAL_PIN_PWM_Start(int index, int freq) {
 
 	//addLogAdv(LOG_INFO, LOG_FEATURE_MAIN,"HAL_PIN_PWM_Start: pin %i chose pwm %i\r\n",index,pwm);
     //  Frequency must be between 2000 and 800000
-	bl_pwm_init(pwm, index, 2000);
+	if(freq < 2000) freq = 2000;
+	bl_pwm_init(pwm, index, freq);
 	bl_pwm_start(pwm);
 
 }
diff --git a/src/httpserver/new_http.c b/src/httpserver/new_http.c
index 8a7697238..a5f5a3610 100644
--- a/src/httpserver/new_http.c
+++ b/src/httpserver/new_http.c
@@ -554,6 +554,7 @@ const char* htmlPinRoleNames[] = {
 	"PWM_ScriptOnly_n",
 	"Counter_f",
 	"Counter_r",
+	"IRRecv_nPup",
 	"error",
 	"error",
 	"error",
diff --git a/src/libraries/IRremoteESP8266/src/IRtimer.cpp b/src/libraries/IRremoteESP8266/src/IRtimer.cpp
index 45ce14083..9794f9eeb 100644
--- a/src/libraries/IRremoteESP8266/src/IRtimer.cpp
+++ b/src/libraries/IRremoteESP8266/src/IRtimer.cpp
@@ -6,7 +6,7 @@
 #endif
 
 
-#if PLATFORM_BEKEN || PLATFORM_REALTEK
+#if PLATFORM_BEKEN || PLATFORM_REALTEK || PLATFORM_BL602
 //TODO
 extern unsigned long micros(void);
 extern unsigned long millis(void);
diff --git a/src/libraries/IRremoteESP8266/src/digitalWriteFast.cpp b/src/libraries/IRremoteESP8266/src/digitalWriteFast.cpp
index 233d7cd04..ac719f6a4 100644
--- a/src/libraries/IRremoteESP8266/src/digitalWriteFast.cpp
+++ b/src/libraries/IRremoteESP8266/src/digitalWriteFast.cpp
@@ -9,6 +9,9 @@ extern "C" {
 #else
 #include "../../../hal/hal_pins.h"
 #endif
+#if PLATFORM_BL602
+#include "bl602_glb.h"
+#endif
 }
 
 #include "digitalWriteFast.h"
@@ -25,6 +28,8 @@ void digitalToggleFast(unsigned char P) {
 unsigned char digitalReadFast(unsigned char P) {
 #if PLATFORM_BEKEN
 	return bk_gpio_input((GPIO_INDEX)P);
+#elif PLATFORM_BL602
+	return GLB_GPIO_Read((GLB_GPIO_Type)P);
 #else
 	return HAL_PIN_ReadDigitalInput(P);
 #endif
@@ -35,6 +40,8 @@ void digitalWriteFast(unsigned char P, unsigned char V) {
 	//HAL_PIN_SetOutputValue(index, iVal);
 #if PLATFORM_BEKEN
 	bk_gpio_output((GPIO_INDEX)P, V);
+#elif PLATFORM_BL602
+	GLB_GPIO_Write((GLB_GPIO_Type)P, V ? 1 : 0);
 #else
 	HAL_PIN_SetOutputValue(P, V);
 #endif
diff --git a/src/new_pins.h b/src/new_pins.h
index ad8a154f1..e6f97a521 100644
--- a/src/new_pins.h
+++ b/src/new_pins.h
@@ -588,6 +588,13 @@ typedef enum ioRole_e {
 	//iodetail:"file":"new_pins.h",
 	//iodetail:"driver":""}
 	IOR_Counter_r,
+	//iodetail:{"name":"IRRecv_nPup",
+	//iodetail:"title":"TODO",
+	//iodetail:"descr":"IRRecv without pull-up",
+	//iodetail:"enum":"IRRecv_nPup",
+	//iodetail:"file":"new_pins.h",
+	//iodetail:"driver":""}
+	IOR_IRRecv_nPup,
 	//iodetail:{"name":"Total_Options",
 	//iodetail:"title":"TODO",
 	//iodetail:"descr":"Current total number of available IOR roles",
diff --git a/src/obk_config.h b/src/obk_config.h
index 912be1201..5e0bfbc2f 100644
--- a/src/obk_config.h
+++ b/src/obk_config.h
@@ -216,6 +216,15 @@
 #define ENABLE_OBK_BERRY						1
 #endif
 
+//#if (OBK_VARIANT == OBK_VARIANT_IRREMOTEESP)
+//#undef ENABLE_DRIVER_CHT83XX
+//#undef ENABLE_DRIVER_DS1820
+//#undef ENABLE_DRIVER_CSE7766
+//#undef ENABLE_DRIVER_BL0937
+//#undef ENABLE_DRIVER_BL0942
+#define ENABLE_DRIVER_IRREMOTEESP				1
+//#endif
+
 #elif PLATFORM_BEKEN
 
 //#define ENABLE_LFS_SPI						1
diff --git a/src/user_main.c b/src/user_main.c
index 239104ff2..0c277015b 100644
--- a/src/user_main.c
+++ b/src/user_main.c
@@ -1114,7 +1114,8 @@ void Main_Init_AfterDelay_Unsafe(bool bStartAutoRunScripts) {
 	CMD_Init_Delayed();
 
 	if (bStartAutoRunScripts) {
-		if (PIN_FindPinIndexForRole(IOR_IRRecv, -1) != -1 || PIN_FindPinIndexForRole(IOR_IRSend, -1) != -1) {
+		if (PIN_FindPinIndexForRole(IOR_IRRecv, -1) != -1 || PIN_FindPinIndexForRole(IOR_IRSend, -1) != -1
+			|| PIN_FindPinIndexForRole(IOR_IRRecv_nPup, -1) != -1) {
 			// start IR driver 5 seconds after boot.  It may affect wifi connect?
 			// yet we also want it to start if no wifi for IR control...
 #ifndef OBK_DISABLE_ALL_DRIVERS