diff --git a/ports/stm32/Makefile b/ports/stm32/Makefile
index c9fdc7b0d..00e72ec45 100644
--- a/ports/stm32/Makefile
+++ b/ports/stm32/Makefile
@@ -459,6 +459,19 @@ DRIVERS_SRC_C += drivers/cyw43/cywbt.c
 endif
 endif
 
+ifeq ($(MICROPY_PY_LVGL),1)
+CFLAGS += -DMICROPY_PY_LVGL
+SRC_LIB += $(shell find $(LVGL_BINDING_DIR)/driver/stm32/$(BOARD)/*.c)
+SRC_LIB += $(shell find $(LVGL_BINDING_DIR)/driver/stm32/string1.c)
+ifeq ($(MCU_SERIES),$(filter $(MCU_SERIES),f7))
+SRC_HAL += $(addprefix $(HAL_DIR)/Src/stm32$(MCU_SERIES)xx_,\
+	hal_ltdc.c \
+	hal_ltdc_ex.c \
+	hal_dma2d.c \
+	)
+endif
+endif
+
 OBJ =
 OBJ += $(PY_O)
 OBJ += $(addprefix $(BUILD)/, $(SRC_LIB:.c=.o))
diff --git a/ports/stm32/boards/STM32F7DISC/mpconfigboard.mk b/ports/stm32/boards/STM32F7DISC/mpconfigboard.mk
index 8b54dc84e..c24369dfc 100644
--- a/ports/stm32/boards/STM32F7DISC/mpconfigboard.mk
+++ b/ports/stm32/boards/STM32F7DISC/mpconfigboard.mk
@@ -9,3 +9,4 @@ TEXT1_ADDR = 0x08020000
 MICROPY_PY_LWIP = 1
 MICROPY_PY_USSL = 1
 MICROPY_SSL_MBEDTLS = 1
+MICROPY_PY_LVGL = 1
diff --git a/ports/stm32/boards/manifest.py b/ports/stm32/boards/manifest.py
index cf0ccba8f..52b3bca5d 100644
--- a/ports/stm32/boards/manifest.py
+++ b/ports/stm32/boards/manifest.py
@@ -1,4 +1,4 @@
 freeze('$(MPY_DIR)/drivers/dht', 'dht.py')
 freeze('$(MPY_DIR)/drivers/display', ('lcd160cr.py', 'lcd160cr_test.py'))
 freeze('$(MPY_DIR)/drivers/onewire', 'onewire.py')
-freeze('$(MPY_DIR)/ports/stm32/modules', 'lvstm32.py')
+freeze("$(MPY_DIR)/lib/lv_bindings/driver/stm32", "lvstm32.py")
diff --git a/ports/stm32/boards/stm32f7xx_hal_conf_base.h b/ports/stm32/boards/stm32f7xx_hal_conf_base.h
index 05ab10fea..66e8527c0 100644
--- a/ports/stm32/boards/stm32f7xx_hal_conf_base.h
+++ b/ports/stm32/boards/stm32f7xx_hal_conf_base.h
@@ -53,6 +53,9 @@
 #include "stm32f7xx_hal_uart.h"
 #include "stm32f7xx_hal_usart.h"
 #include "stm32f7xx_hal_wwdg.h"
+#include "stm32f7xx_hal_ltdc.h"
+#include "stm32f7xx_hal_ltdc_ex.h"
+#include "stm32f7xx_hal_dma2d.h"
 
 // Enable various HAL modules
 #define HAL_ADC_MODULE_ENABLED
@@ -81,6 +84,8 @@
 #define HAL_UART_MODULE_ENABLED
 #define HAL_USART_MODULE_ENABLED
 #define HAL_WWDG_MODULE_ENABLED
+#define HAL_LTDC_MODULE_ENABLED
+#define HAL_DMA2D_MODULE_ENABLED
 
 // Oscillator values in Hz
 #define HSI_VALUE (16000000)
diff --git a/ports/stm32/mpconfigport.h b/ports/stm32/mpconfigport.h
index 626b7e6dc..4db539b31 100644
--- a/ports/stm32/mpconfigport.h
+++ b/ports/stm32/mpconfigport.h
@@ -126,7 +126,7 @@
 #endif
 #define MICROPY_PY_UERRNO           (1)
 #ifndef MICROPY_PY_THREAD
-#define MICROPY_PY_THREAD           (0)
+#define MICROPY_PY_THREAD           (1)
 #endif
 
 // extended modules
@@ -173,7 +173,9 @@
 #ifndef MICROPY_PY_NETWORK
 #define MICROPY_PY_NETWORK          (1)
 #endif
-#define MICROPY_PY_LVGL                     (1)
+//#define MICROPY_PY_LVGL             (1)
+#define MICROPY_PY_LODEPNG          (1)
+#define MICROPY_PY_RK043FN48H       (1)
 
 // fatfs configuration used in ffconf.h
 #define MICROPY_FATFS_ENABLE_LFN       (1)
@@ -211,6 +213,7 @@ extern const struct _mp_obj_module_t mp_module_usocket;
 extern const struct _mp_obj_module_t mp_module_network;
 extern const struct _mp_obj_module_t mp_module_onewire;
 extern const struct _mp_obj_module_t mp_module_lvgl;
+extern const struct _mp_obj_module_t mp_module_lodepng;
 
 #if MICROPY_PY_LVGL
 #define MICROPY_PORT_LVGL_DEF \
@@ -220,6 +223,12 @@ extern const struct _mp_obj_module_t mp_module_lvgl;
 #define MICROPY_PORT_LVGL_DEF
 #endif
 
+#if MICROPY_PY_LODEPNG
+#define MICROPY_PORT_LODEPNG_DEF { MP_OBJ_NEW_QSTR(MP_QSTR_lodepng), (mp_obj_t)&mp_module_lodepng },
+#else
+#define MICROPY_PORT_LODEPNG_DEF
+#endif
+
 #if MICROPY_PY_STM
 #define STM_BUILTIN_MODULE               { MP_ROM_QSTR(MP_QSTR_stm), MP_ROM_PTR(&stm_module) },
 #else
@@ -252,6 +261,7 @@ extern const struct _mp_obj_module_t mp_module_lvgl;
     SOCKET_BUILTIN_MODULE \
     NETWORK_BUILTIN_MODULE \
     MICROPY_PORT_LVGL_DEF \
+    MICROPY_PORT_LODEPNG_DEF \
     { MP_ROM_QSTR(MP_QSTR__onewire), MP_ROM_PTR(&mp_module_onewire) }, \
 
 // extra constants
@@ -269,6 +279,12 @@ extern const struct _mp_obj_module_t mp_module_lvgl;
 #define LV_ROOTS
 #endif
 
+#if MICROPY_PY_RK043FN48H
+#define RK043FN48H_ROOTS void* rk043fn48h_fb[2];
+#else
+#define RK043FN48H_ROOTS
+#endif
+
 #if MICROPY_SSL_MBEDTLS
 #define MICROPY_PORT_ROOT_POINTER_MBEDTLS void **mbedtls_memory;
 #else
@@ -285,6 +301,7 @@ struct _mp_bluetooth_nimble_root_pointers_t;
 #define MICROPY_PORT_ROOT_POINTERS \
     LV_ROOTS \
     void *mp_lv_user_data; \
+    RK043FN48H_ROOTS \
     const char *readline_hist[8]; \
     \
     mp_obj_t pyb_hid_report_desc; \
diff --git a/ports/stm32/stm32_it.c b/ports/stm32/stm32_it.c
index e77642b8e..62fc1e8af 100644
--- a/ports/stm32/stm32_it.c
+++ b/ports/stm32/stm32_it.c
@@ -887,3 +887,17 @@ void I2C4_ER_IRQHandler(void) {
 #endif // defined(MICROPY_HW_I2C4_SCL)
 
 #endif // MICROPY_PY_PYB_LEGACY
+
+#if defined(HAL_DMA2D_MODULE_ENABLED)
+extern DMA2D_HandleTypeDef *hdma2d;
+void DMA2D_IRQHandler(void) {
+    HAL_DMA2D_IRQHandler(hdma2d);
+}
+#endif
+
+#if defined(HAL_LTDC_MODULE_ENABLED)
+extern LTDC_HandleTypeDef *hltdc;
+void LTDC_IRQHandler(void) {
+    HAL_LTDC_IRQHandler(hltdc);
+}
+#endif
diff --git a/ports/windows/Makefile b/ports/windows/Makefile
index af815383c..5853853fe 100644
--- a/ports/windows/Makefile
+++ b/ports/windows/Makefile
@@ -43,17 +43,25 @@ SRC_C = \
 	fmode.c \
 	$(SRC_MOD)
 
+LIB_SRC_C = $(addprefix lib/,\
+        lv_bindings/driver/SDL/SDL_monitor.c \
+        lv_bindings/driver/SDL/SDL_mouse.c \
+        lv_bindings/driver/SDL/modSDL.c \
+        timeutils/timeutils.c \
+        )
+
 OBJ = $(PY_O) $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
+OBJ += $(addprefix $(BUILD)/, $(LIB_SRC_C:.c=.o))
 
 ifeq ($(MICROPY_USE_READLINE),1)
 CFLAGS_MOD += -DMICROPY_USE_READLINE=1
 SRC_C += lib/mp-readline/readline.c
 endif
 
-LIB += -lws2_32
+LIB += -lws2_32 -lSDL2
 
 # List of sources for qstr extraction
-SRC_QSTR += $(SRC_C)
+SRC_QSTR += $(SRC_C) $(LIB_SRC_C)
 # Append any auto-generated sources that are needed by sources listed in
 # SRC_QSTR
 SRC_QSTR_AUTO_DEPS +=
diff --git a/ports/windows/README.md b/ports/windows/README.md
index f1bd40551..7d22e427f 100644
--- a/ports/windows/README.md
+++ b/ports/windows/README.md
@@ -7,6 +7,11 @@ consider to contribute.
 Building on Debian/Ubuntu Linux system
 ---------------------------------------
 
+Install SDL mingw port from sdl.org:
+https://www.libsdl.org/release/SDL2-devel-2.0.12-mingw.tar.gz
+
+Install mingw gcc toolchain and build:
+
     sudo apt-get install gcc-mingw-w64
     make CROSS_COMPILE=i686-w64-mingw32-
 
diff --git a/ports/windows/mpconfigport.h b/ports/windows/mpconfigport.h
index fae01d74e..840981ed0 100644
--- a/ports/windows/mpconfigport.h
+++ b/ports/windows/mpconfigport.h
@@ -43,10 +43,11 @@
 #define MICROPY_ENABLE_FINALISER    (1)
 #define MICROPY_ENABLE_PYSTACK      (1)
 #define MICROPY_STACK_CHECK         (1)
-#define MICROPY_MALLOC_USES_ALLOCATED_SIZE (1)
-#define MICROPY_MEM_STATS           (1)
+#define MICROPY_MALLOC_USES_ALLOCATED_SIZE (0)
+#define MICROPY_MEM_STATS           (0)
 #define MICROPY_DEBUG_PRINTER       (&mp_stderr_print)
 #define MICROPY_DEBUG_PRINTERS      (1)
+#define MICROPY_ENABLE_SCHEDULER    (1)
 #define MICROPY_READER_POSIX        (1)
 #define MICROPY_USE_READLINE_HISTORY (1)
 #define MICROPY_HELPER_REPL         (1)
@@ -109,6 +110,7 @@
 #define MICROPY_PY_UBINASCII        (1)
 #define MICROPY_PY_UBINASCII_CRC32  (1)
 #define MICROPY_PY_URANDOM          (1)
+#define MICROPY_PY_URANDOM_EXTRA_FUNCS (1)
 #define MICROPY_PY_MACHINE          (1)
 #define MICROPY_PY_MACHINE_PULSE    (1)
 #define MICROPY_MACHINE_MEM_GET_READ_ADDR   mod_machine_mem_get_addr
@@ -118,6 +120,9 @@
 #define MICROPY_ERROR_PRINTER       (&mp_stderr_print)
 #define MICROPY_WARNINGS            (1)
 #define MICROPY_PY_STR_BYTES_CMP_WARN (1)
+//use large block for GC to increase speed of allocate, but consume more memory
+#define MICROPY_BYTES_PER_GC_BLOCK (64 * BYTES_PER_WORD)
+
 
 extern const struct _mp_print_t mp_stderr_print;
 
@@ -133,6 +138,37 @@ extern const struct _mp_print_t mp_stderr_print;
 #define MICROPY_PORT_INIT_FUNC      init()
 #define MICROPY_PORT_DEINIT_FUNC    deinit()
 
+//LVGL binding relative
+#define MICROPY_PY_LVGL             (1)
+#define MICROPY_PY_LVGL_SDL         (1)
+#define MICROPY_PY_LVGL_LODEPNG     (1)
+
+extern const struct _mp_obj_module_t mp_module_machine;
+extern const struct _mp_obj_module_t mp_module_os;
+extern const struct _mp_obj_module_t mp_module_uos_vfs;
+extern const struct _mp_obj_module_t mp_module_lvgl;
+extern const struct _mp_obj_module_t mp_module_lvindev;
+extern const struct _mp_obj_module_t mp_module_SDL;
+extern const struct _mp_obj_module_t mp_module_lodepng;
+
+#if MICROPY_PY_LVGL
+#include "lib/lv_bindings/lvgl/src/lv_misc/lv_gc.h"
+#define MICROPY_PY_LVGL_DEF { MP_OBJ_NEW_QSTR(MP_QSTR_lvgl), (mp_obj_t)&mp_module_lvgl },
+    #if MICROPY_PY_LVGL_SDL
+    #define MICROPY_PY_LVGL_SDL_DEF { MP_OBJ_NEW_QSTR(MP_QSTR_SDL), (mp_obj_t)&mp_module_SDL },
+    #else
+    #define MICROPY_PY_LVGL_SDL_DEF
+    #endif
+    #if MICROPY_PY_LVGL_LODEPNG
+    #define MICROPY_PY_LVGL_LODEPNG_DEF { MP_OBJ_NEW_QSTR(MP_QSTR_lodepng), (mp_obj_t)&mp_module_lodepng },
+    #else
+    #define MICROPY_PY_LVGL_LODEPNG_DEF
+    #endif
+#else
+    #define LV_ROOTS
+    #define MICROPY_PY_LVGL_DEF
+#endif
+
 // type definitions for the specific machine
 
 #if defined( __MINGW32__ ) && defined( __LP64__ )
@@ -178,13 +214,19 @@ void mp_hal_dupterm_tx_strn(const char *str, size_t len);
 
 extern const struct _mp_obj_module_t mp_module_os;
 extern const struct _mp_obj_module_t mp_module_time;
+
 #define MICROPY_PORT_BUILTIN_MODULES \
     { MP_ROM_QSTR(MP_QSTR_utime), MP_ROM_PTR(&mp_module_time) }, \
     { MP_ROM_QSTR(MP_QSTR_umachine), MP_ROM_PTR(&mp_module_machine) }, \
     { MP_ROM_QSTR(MP_QSTR_uos), MP_ROM_PTR(&mp_module_os) }, \
+    MICROPY_PY_LVGL_DEF \
+    MICROPY_PY_LVGL_SDL_DEF \
+    MICROPY_PY_LVGL_LODEPNG_DEF
 
 #if MICROPY_USE_READLINE == 1
 #define MICROPY_PORT_ROOT_POINTERS \
+    LV_ROOTS \
+    void *mp_lv_user_data; \
     char *readline_hist[50];
 #endif