diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
index 1f904fb..d1758bd 100644
--- a/main/CMakeLists.txt
+++ b/main/CMakeLists.txt
@@ -158,6 +158,13 @@ elseif(CONFIG_BOARD_TYPE_LICHUANG_DEV_C3)
     set(BUILTIN_TEXT_FONT font_puhui_basic_20_4)
     set(BUILTIN_ICON_FONT font_awesome_20_4)
     set(DEFAULT_EMOJI_COLLECTION twemoji_32)
+elseif(CONFIG_BOARD_TYPE_RYMCU_BIGSMART)
+    set(MANUFACTURER "rymcu")
+    set(BOARD_TYPE "bigsmart")
+    set(BOARD_NAME "rymcu-bigsmart")
+    set(BUILTIN_TEXT_FONT font_noto_basic_20_4)
+    set(BUILTIN_ICON_FONT font_awesome_20_4)
+    set(DEFAULT_EMOJI_COLLECTION noto-emoji_128)
 elseif(CONFIG_BOARD_TYPE_EDA_TV_PRO)
     set(MANUFACTURER "lceda-course-examples")
     set(BOARD_TYPE "eda-tv-pro")
diff --git a/main/Kconfig.projbuild b/main/Kconfig.projbuild
index c3e20a8..ffaf7c0 100644
--- a/main/Kconfig.projbuild
+++ b/main/Kconfig.projbuild
@@ -215,6 +215,9 @@ choice BOARD_TYPE
     config BOARD_TYPE_LICHUANG_DEV_C3
         bool "立创·实战派 ESP32-C3"
         depends on IDF_TARGET_ESP32C3
+    config BOARD_TYPE_RYMCU_BIGSMART
+        bool "RYMCU BigSmart"
+        depends on IDF_TARGET_ESP32S3
     config BOARD_TYPE_EDA_TV_PRO
         bool "EDA课程案例 EDA-TV-Pro"
         depends on IDF_TARGET_ESP32S3
@@ -711,7 +714,7 @@ choice DISPLAY_STYLE
     config USE_EMOTE_MESSAGE_STYLE
         bool "Emote animation style"
         depends on BOARD_TYPE_ESP_BOX || BOARD_TYPE_ESP_BOX_3 \
-            || BOARD_TYPE_ESP_VOCAT || BOARD_TYPE_LICHUANG_DEV_S3 \
+            || BOARD_TYPE_ESP_VOCAT || BOARD_TYPE_LICHUANG_DEV_S3 || BOARD_TYPE_RYMCU_BIGSMART \
             || BOARD_TYPE_ESP_SENSAIRSHUTTLE
 endchoice
 
@@ -808,7 +811,7 @@ config USE_DEVICE_AEC
     bool "Enable Device-Side AEC"
     default n
         depends on USE_AUDIO_PROCESSOR && (BOARD_TYPE_ESP_BOX_3 || BOARD_TYPE_ESP_BOX || BOARD_TYPE_ESP_BOX_LITE \
-        || BOARD_TYPE_LICHUANG_DEV_S3 || BOARD_TYPE_ESP_KORVO2_V3 || BOARD_TYPE_WAVESHARE_ESP32_S3_TOUCH_AMOLED_1_75|| BOARD_TYPE_WAVESHARE_ESP32_S3_TOUCH_AMOLED_1_75C || BOARD_TYPE_WAVESHARE_ESP32_S3_TOUCH_LCD_1_83\
+        || BOARD_TYPE_LICHUANG_DEV_S3 || BOARD_TYPE_RYMCU_BIGSMART || BOARD_TYPE_ESP_KORVO2_V3 || BOARD_TYPE_WAVESHARE_ESP32_S3_TOUCH_AMOLED_1_75|| BOARD_TYPE_WAVESHARE_ESP32_S3_TOUCH_AMOLED_1_75C || BOARD_TYPE_WAVESHARE_ESP32_S3_TOUCH_LCD_1_83\
         || BOARD_TYPE_WAVESHARE_ESP32_S3_TOUCH_AMOLED_2_06 || BOARD_TYPE_WAVESHARE_ESP32_S3_TOUCH_LCD_4B || BOARD_TYPE_WAVESHARE_ESP32_P4_WIFI6_TOUCH_LCD_4B || BOARD_TYPE_WAVESHARE_ESP32_P4_WIFI6_TOUCH_LCD_4_3 \
         || BOARD_TYPE_WAVESHARE_ESP32_P4_WIFI6_TOUCH_LCD_7B \
         || BOARD_TYPE_WAVESHARE_ESP32_P4_WIFI6_TOUCH_LCD_3_4C || BOARD_TYPE_WAVESHARE_ESP32_P4_WIFI6_TOUCH_LCD_4C || BOARD_TYPE_ESP_S3_LCD_EV_Board_2 || BOARD_TYPE_YUNLIAO_S3 \
diff --git a/main/boards/rymcu/bigsmart/README.md b/main/boards/rymcu/bigsmart/README.md
new file mode 100644
index 0000000..c6394f7
--- /dev/null
+++ b/main/boards/rymcu/bigsmart/README.md
@@ -0,0 +1,31 @@
+# RYMCU BigSmart
+
+该目录为 `RYMCU BigSmart` 开发板适配，并按以下硬件资源完成映射：
+
+- 主控：ESP32-S3-WROOM-1-N16R8
+- 显示：ST7789（320x240，SPI）
+- 触摸：GT911（I2C）
+- 音频：ES8311 + ES7210（I2S + I2C）
+- IO扩展：PCA9557（I2C 地址 `0x19`）
+- 摄像头：GC0308（DVP）
+
+参考硬件文档：
+
+- https://github.com/rymcu/BigSmart-Open/blob/main/docs/rymcu-bigsmart-hardware.md
+
+## 编译
+
+```bash
+idf.py set-target esp32s3
+idf.py menuconfig
+```
+
+在菜单中选择：
+
+`Xiaozhi Assistant -> Board Type -> RYMCU BigSmart`
+
+然后执行：
+
+```bash
+idf.py build
+```
diff --git a/main/boards/rymcu/bigsmart/config.h b/main/boards/rymcu/bigsmart/config.h
new file mode 100644
index 0000000..0be2916
--- /dev/null
+++ b/main/boards/rymcu/bigsmart/config.h
@@ -0,0 +1,69 @@
+#ifndef _BOARD_CONFIG_H_
+#define _BOARD_CONFIG_H_
+
+#include <driver/gpio.h>
+
+#define AUDIO_INPUT_SAMPLE_RATE 24000
+#define AUDIO_OUTPUT_SAMPLE_RATE 24000
+
+#define AUDIO_INPUT_REFERENCE true
+
+#define AUDIO_I2S_GPIO_MCLK GPIO_NUM_38
+#define AUDIO_I2S_GPIO_WS GPIO_NUM_13
+#define AUDIO_I2S_GPIO_BCLK GPIO_NUM_14
+#define AUDIO_I2S_GPIO_DIN GPIO_NUM_12
+#define AUDIO_I2S_GPIO_DOUT GPIO_NUM_45
+
+#define AUDIO_CODEC_USE_PCA9557
+#define AUDIO_CODEC_I2C_SDA_PIN GPIO_NUM_1
+#define AUDIO_CODEC_I2C_SCL_PIN GPIO_NUM_2
+#define AUDIO_CODEC_ES8311_ADDR ES8311_CODEC_DEFAULT_ADDR
+#define AUDIO_CODEC_ES7210_ADDR 0x82
+
+#define BUILTIN_LED_GPIO GPIO_NUM_NC
+#define RGB_LED_GPIO GPIO_NUM_43
+#define BOOT_BUTTON_GPIO GPIO_NUM_0
+#define CUSTOM_BUTTON_GPIO GPIO_NUM_10
+#define VOLUME_UP_BUTTON_GPIO GPIO_NUM_NC
+#define VOLUME_DOWN_BUTTON_GPIO GPIO_NUM_NC
+
+#define DISPLAY_WIDTH 320
+#define DISPLAY_HEIGHT 240
+#define DISPLAY_MIRROR_X true
+#define DISPLAY_MIRROR_Y false
+#define DISPLAY_SWAP_XY true
+
+#define DISPLAY_OFFSET_X 0
+#define DISPLAY_OFFSET_Y 0
+
+#define DISPLAY_BACKLIGHT_PIN GPIO_NUM_42
+#define DISPLAY_BACKLIGHT_OUTPUT_INVERT true
+
+#define TOUCH_INT_GPIO GPIO_NUM_NC
+#define TOUCH_RST_GPIO GPIO_NUM_NC
+
+/* Camera pins */
+#define CAMERA_PIN_PWDN GPIO_NUM_NC
+#define CAMERA_PIN_RESET GPIO_NUM_NC
+#define CAMERA_PIN_XCLK GPIO_NUM_5
+#define CAMERA_PIN_SIOD GPIO_NUM_1
+#define CAMERA_PIN_SIOC GPIO_NUM_2
+
+#define CAMERA_PIN_D7 GPIO_NUM_9
+#define CAMERA_PIN_D6 GPIO_NUM_4
+#define CAMERA_PIN_D5 GPIO_NUM_6
+#define CAMERA_PIN_D4 GPIO_NUM_15
+#define CAMERA_PIN_D3 GPIO_NUM_17
+#define CAMERA_PIN_D2 GPIO_NUM_8
+#define CAMERA_PIN_D1 GPIO_NUM_18
+#define CAMERA_PIN_D0 GPIO_NUM_16
+#define CAMERA_PIN_VSYNC GPIO_NUM_44
+#define CAMERA_PIN_HREF GPIO_NUM_46
+#define CAMERA_PIN_PCLK GPIO_NUM_7
+
+#define XCLK_FREQ_HZ 16000000
+
+#define BATTERY_CHARGING_PIN GPIO_NUM_3
+#define BATTERY_ADC_PIN GPIO_NUM_11
+
+#endif // _BOARD_CONFIG_H_
diff --git a/main/boards/rymcu/bigsmart/config.json b/main/boards/rymcu/bigsmart/config.json
new file mode 100644
index 0000000..a67be5a
--- /dev/null
+++ b/main/boards/rymcu/bigsmart/config.json
@@ -0,0 +1,12 @@
+{
+    "manufacturer": "rymcu",
+    "target": "esp32s3",
+    "builds": [
+        {
+            "name": "bigsmart",
+            "sdkconfig_append": [
+                "CONFIG_USE_DEVICE_AEC=y"
+            ]
+        }
+    ]
+}
diff --git a/main/boards/rymcu/bigsmart/rymcu_bigsmart_board.cc b/main/boards/rymcu/bigsmart/rymcu_bigsmart_board.cc
new file mode 100644
index 0000000..474fc6f
--- /dev/null
+++ b/main/boards/rymcu/bigsmart/rymcu_bigsmart_board.cc
@@ -0,0 +1,284 @@
+#include "wifi_board.h"
+#include "codecs/box_audio_codec.h"
+#include "display/lcd_display.h"
+#include "display/emote_display.h"
+#include "application.h"
+#include "button.h"
+#include "config.h"
+#include "i2c_device.h"
+#include "esp32_camera.h"
+#include "mcp_server.h"
+
+#include <esp_log.h>
+#include <esp_lcd_panel_vendor.h>
+#include <driver/i2c_master.h>
+#include <driver/spi_common.h>
+#include <esp_lcd_touch_gt911.h>
+#include <esp_lvgl_port.h>
+#include <lvgl.h>
+
+#define TAG "RymcuBigsmartBoard"
+
+class Pca9557 : public I2cDevice {
+public:
+    Pca9557(i2c_master_bus_handle_t i2c_bus, uint8_t addr) : I2cDevice(i2c_bus, addr) {
+        WriteReg(0x01, 0x03);
+        WriteReg(0x03, 0xf8);
+    }
+
+    void SetOutputState(uint8_t bit, uint8_t level) {
+        uint8_t data = ReadReg(0x01);
+        data = (data & ~(1 << bit)) | (level << bit);
+        WriteReg(0x01, data);
+    }
+};
+
+class CustomAudioCodec : public BoxAudioCodec {
+private:
+    Pca9557* pca9557_;
+
+public:
+    CustomAudioCodec(i2c_master_bus_handle_t i2c_bus, Pca9557* pca9557)
+        : BoxAudioCodec(i2c_bus,
+                        AUDIO_INPUT_SAMPLE_RATE,
+                        AUDIO_OUTPUT_SAMPLE_RATE,
+                        AUDIO_I2S_GPIO_MCLK,
+                        AUDIO_I2S_GPIO_BCLK,
+                        AUDIO_I2S_GPIO_WS,
+                        AUDIO_I2S_GPIO_DOUT,
+                        AUDIO_I2S_GPIO_DIN,
+                        GPIO_NUM_NC,
+                        AUDIO_CODEC_ES8311_ADDR,
+                        AUDIO_CODEC_ES7210_ADDR,
+                        AUDIO_INPUT_REFERENCE),
+          pca9557_(pca9557) {
+    }
+
+    virtual void EnableOutput(bool enable) override {
+        BoxAudioCodec::EnableOutput(enable);
+        if (enable) {
+            pca9557_->SetOutputState(1, 1);
+        } else {
+            pca9557_->SetOutputState(1, 0);
+        }
+    }
+};
+
+class RymcuBigsmartBoard : public WifiBoard {
+private:
+    i2c_master_bus_handle_t i2c_bus_;
+    Button boot_button_;
+    Display* display_;
+    Pca9557* pca9557_;
+    Esp32Camera* camera_;
+
+    void InitializeI2c() {
+        i2c_master_bus_config_t i2c_bus_cfg = {
+            .i2c_port = (i2c_port_t)1,
+            .sda_io_num = AUDIO_CODEC_I2C_SDA_PIN,
+            .scl_io_num = AUDIO_CODEC_I2C_SCL_PIN,
+            .clk_source = I2C_CLK_SRC_DEFAULT,
+            .glitch_ignore_cnt = 7,
+            .intr_priority = 0,
+            .trans_queue_depth = 0,
+            .flags = {
+                .enable_internal_pullup = 1,
+            },
+        };
+        ESP_ERROR_CHECK(i2c_new_master_bus(&i2c_bus_cfg, &i2c_bus_));
+
+        pca9557_ = new Pca9557(i2c_bus_, 0x19);
+    }
+
+    void InitializeSpi() {
+        spi_bus_config_t buscfg = {};
+        buscfg.mosi_io_num = GPIO_NUM_40;
+        buscfg.miso_io_num = GPIO_NUM_NC;
+        buscfg.sclk_io_num = GPIO_NUM_41;
+        buscfg.quadwp_io_num = GPIO_NUM_NC;
+        buscfg.quadhd_io_num = GPIO_NUM_NC;
+        buscfg.max_transfer_sz = DISPLAY_WIDTH * DISPLAY_HEIGHT * sizeof(uint16_t);
+        ESP_ERROR_CHECK(spi_bus_initialize(SPI3_HOST, &buscfg, SPI_DMA_CH_AUTO));
+    }
+
+    void InitializeButtons() {
+        boot_button_.OnClick([this]() {
+            auto& app = Application::GetInstance();
+            if (app.GetDeviceState() == kDeviceStateStarting) {
+                EnterWifiConfigMode();
+                return;
+            }
+            app.ToggleChatState();
+        });
+
+#if CONFIG_USE_DEVICE_AEC
+        boot_button_.OnDoubleClick([this]() {
+            auto& app = Application::GetInstance();
+            if (app.GetDeviceState() == kDeviceStateIdle) {
+                app.SetAecMode(app.GetAecMode() == kAecOff ? kAecOnDeviceSide : kAecOff);
+            }
+        });
+#endif
+    }
+
+    void InitializeSt7789Display() {
+        esp_lcd_panel_io_handle_t panel_io = nullptr;
+        esp_lcd_panel_handle_t panel = nullptr;
+        ESP_LOGD(TAG, "Install panel IO");
+        esp_lcd_panel_io_spi_config_t io_config = {};
+        io_config.cs_gpio_num = GPIO_NUM_NC;
+        io_config.dc_gpio_num = GPIO_NUM_39;
+        io_config.spi_mode = 2;
+        io_config.pclk_hz = 80 * 1000 * 1000;
+        io_config.trans_queue_depth = 10;
+        io_config.lcd_cmd_bits = 8;
+        io_config.lcd_param_bits = 8;
+        ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi(SPI3_HOST, &io_config, &panel_io));
+
+        ESP_LOGD(TAG, "Install LCD driver");
+        esp_lcd_panel_dev_config_t panel_config = {};
+        panel_config.reset_gpio_num = GPIO_NUM_NC;
+        panel_config.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB;
+        panel_config.bits_per_pixel = 16;
+        ESP_ERROR_CHECK(esp_lcd_new_panel_st7789(panel_io, &panel_config, &panel));
+
+        esp_lcd_panel_reset(panel);
+        pca9557_->SetOutputState(0, 0);
+
+        esp_lcd_panel_init(panel);
+        esp_lcd_panel_invert_color(panel, true);
+        esp_lcd_panel_swap_xy(panel, DISPLAY_SWAP_XY);
+        esp_lcd_panel_mirror(panel, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y);
+        esp_lcd_panel_disp_on_off(panel, true);
+
+#if CONFIG_USE_EMOTE_MESSAGE_STYLE
+        display_ = new emote::EmoteDisplay(panel, panel_io, DISPLAY_WIDTH, DISPLAY_HEIGHT);
+#else
+        display_ = new SpiLcdDisplay(panel_io, panel,
+            DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY);
+#endif
+    }
+
+    void InitializeTouch() {
+        esp_lcd_touch_handle_t tp;
+        esp_lcd_touch_config_t tp_cfg = {
+            .x_max = DISPLAY_HEIGHT,
+            .y_max = DISPLAY_WIDTH,
+            .rst_gpio_num = TOUCH_RST_GPIO,
+            .int_gpio_num = TOUCH_INT_GPIO,
+            .levels = {
+                .reset = 0,
+                .interrupt = 0,
+            },
+            .flags = {
+                .swap_xy = 1,
+                .mirror_x = 1,
+                .mirror_y = 0,
+            },
+        };
+        esp_lcd_panel_io_handle_t tp_io_handle = NULL;
+        esp_lcd_panel_io_i2c_config_t tp_io_config = {
+            .dev_addr = ESP_LCD_TOUCH_IO_I2C_GT911_ADDRESS,
+            .control_phase_bytes = 1,
+            .dc_bit_offset = 0,
+            .lcd_cmd_bits = 16,
+            .flags = {
+                .disable_control_phase = 1,
+            }
+        };
+        tp_io_config.scl_speed_hz = 400000;
+
+        ESP_ERROR_CHECK(esp_lcd_new_panel_io_i2c(i2c_bus_, &tp_io_config, &tp_io_handle));
+        ESP_ERROR_CHECK(esp_lcd_touch_new_i2c_gt911(tp_io_handle, &tp_cfg, &tp));
+        assert(tp);
+
+        const lvgl_port_touch_cfg_t touch_cfg = {
+            .disp = lv_display_get_default(),
+            .handle = tp,
+        };
+
+        if (touch_cfg.disp) {
+            lvgl_port_add_touch(&touch_cfg);
+        } else {
+            ESP_LOGE(TAG, "Touch display is not initialized");
+        }
+    }
+
+    void InitializeCamera() {
+        pca9557_->SetOutputState(2, 0);
+
+        camera_config_t config = {};
+        config.ledc_channel = LEDC_CHANNEL_2;
+        config.ledc_timer = LEDC_TIMER_2;
+        config.pin_d0 = CAMERA_PIN_D0;
+        config.pin_d1 = CAMERA_PIN_D1;
+        config.pin_d2 = CAMERA_PIN_D2;
+        config.pin_d3 = CAMERA_PIN_D3;
+        config.pin_d4 = CAMERA_PIN_D4;
+        config.pin_d5 = CAMERA_PIN_D5;
+        config.pin_d6 = CAMERA_PIN_D6;
+        config.pin_d7 = CAMERA_PIN_D7;
+        config.pin_xclk = CAMERA_PIN_XCLK;
+        config.pin_pclk = CAMERA_PIN_PCLK;
+        config.pin_vsync = CAMERA_PIN_VSYNC;
+        config.pin_href = CAMERA_PIN_HREF;
+        config.pin_sccb_sda = -1;
+        config.pin_sccb_scl = CAMERA_PIN_SIOC;
+        config.sccb_i2c_port = 1;
+        config.pin_pwdn = CAMERA_PIN_PWDN;
+        config.pin_reset = CAMERA_PIN_RESET;
+        config.xclk_freq_hz = XCLK_FREQ_HZ;
+        config.pixel_format = PIXFORMAT_RGB565;
+        config.frame_size = FRAMESIZE_QVGA;
+        config.jpeg_quality = 12;
+        config.fb_count = 1;
+        config.fb_location = CAMERA_FB_IN_PSRAM;
+        config.grab_mode = CAMERA_GRAB_WHEN_EMPTY;
+
+        camera_ = new Esp32Camera(config);
+    }
+
+    void InitializeTools() {
+        auto& mcp_server = McpServer::GetInstance();
+        mcp_server.AddTool("self.system.reconfigure_wifi",
+            "End this conversation and enter WiFi configuration mode.\n"
+            "**CAUTION** You must ask the user to confirm this action.",
+            PropertyList(), [this](const PropertyList& properties) {
+                EnterWifiConfigMode();
+                return true;
+            });
+    }
+
+public:
+    RymcuBigsmartBoard() : boot_button_(BOOT_BUTTON_GPIO) {
+        InitializeI2c();
+        InitializeSpi();
+        InitializeSt7789Display();
+        InitializeTouch();
+        InitializeButtons();
+        InitializeCamera();
+        InitializeTools();
+
+        GetBacklight()->RestoreBrightness();
+    }
+
+    virtual AudioCodec* GetAudioCodec() override {
+        static CustomAudioCodec audio_codec(i2c_bus_, pca9557_);
+        return &audio_codec;
+    }
+
+    virtual Display* GetDisplay() override {
+        return display_;
+    }
+
+    virtual Backlight* GetBacklight() override {
+        static PwmBacklight backlight(DISPLAY_BACKLIGHT_PIN, DISPLAY_BACKLIGHT_OUTPUT_INVERT);
+        return &backlight;
+    }
+
+    virtual Camera* GetCamera() override {
+        return camera_;
+    }
+};
+
+DECLARE_BOARD(RymcuBigsmartBoard);