diff --git a/dependencies.lock b/dependencies.lock
index 1a137fe..b09cb0b 100644
--- a/dependencies.lock
+++ b/dependencies.lock
@@ -10,6 +10,12 @@ dependencies:
     source:
       type: idf
     version: 5.0.1
-manifest_hash: d23f3b15e8b95dfe5da6cf83768d24158a3a0222f95694b1fa09c3ca8602f79f
+  lvgl/lvgl:
+    component_hash: 2567762b19953712ee38789ad8f8de57ad1f6e39283adefbbfc7184ffe662831
+    source:
+      service_url: https://api.components.espressif.com/
+      type: service
+    version: 8.2.0
+manifest_hash: bef1e4573234ace0f846d8355b65d9ec82a4aeada7c2fa638efbec574f134e54
 target: esp32c3
 version: 1.0.0
diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
index 2c68e4d..664b5c7 100644
--- a/main/CMakeLists.txt
+++ b/main/CMakeLists.txt
@@ -1,2 +1,24 @@
-idf_component_register(SRCS "udp_server.c" "service_discovery.c" "app_nvs.c" "apds_9960.c" "pca9555.c" "i2c.c" "asr_pro.c" "ci_03t.c" "ui_input.c" "ambient_light.c" "temperature.c" "embedded_display.c" "mqtt.c" "main.c" "wifi.c" "light.c" "mqtt.c" "led_strip_encoder/led_strip_encoder.c"
-                    INCLUDE_DIRS ".")
\ No newline at end of file
+idf_component_register(
+  SRCS
+    "udp_server.c"
+    "service_discovery.c"
+    "app_nvs.c"
+    "ch1116.c"
+    # "apds_9960.c"
+    # "pca9555.c"
+    "i2c.c"
+    "asr_pro.c"
+    "ci_03t.c"
+    # "ui_input.c"
+    # "ambient_light.c"
+    # "temperature.c"
+    # "mqtt.c"
+    "main.c"
+    "wifi.c"
+    "light.c"
+    # "mqtt.c"
+    "led_strip_encoder/led_strip_encoder.c"
+    "gui.c"
+    "lvgl_demo_ui.c"
+  INCLUDE_DIRS "."
+)
\ No newline at end of file
diff --git a/main/apds_9960.c b/main/apds_9960.c
index 3599092..e58258d 100644
--- a/main/apds_9960.c
+++ b/main/apds_9960.c
@@ -1,10 +1,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "ch1116.c"
 #include "common.h"
 #include "driver/gpio.h"
 #include "driver/i2c.h"
-#include "embedded_display.c"
 #include "esp_log.h"
 #include "esp_timer.h"
 #include "freertos/FreeRTOS.h"
diff --git a/main/ch1116.c b/main/ch1116.c
new file mode 100644
index 0000000..25a225f
--- /dev/null
+++ b/main/ch1116.c
@@ -0,0 +1,269 @@
+#pragma once
+
+#include <string.h>
+
+#include "driver/gpio.h"
+#include "driver/i2c.h"
+#include "esp_err.h"
+#include "esp_log.h"
+#include "freertos/task.h"
+#include "sdkconfig.h"  // generated by "make menuconfig"
+
+#define CH1116_TAG "CH1116"
+
+#define SDA_PIN GPIO_NUM_4
+#define SCL_PIN GPIO_NUM_5
+
+#define CH1116_WIDTH 128
+#define CH1116_HEIGHT 64
+
+#define CH1116_ADDRESS 0x3C  // 011110+SA0 - 0x3C or 0x3D
+
+// CH1116 Control
+
+#define CH1116_CONTROL_BYTE_COMMAND_SINGLE 0x80
+#define CH1116_CONTROL_BYTE_COMMAND_STREAM 0x00
+#define CH1116_CONTROL_BYTE_DATA_SINGLE 0xC0
+#define CH1116_CONTROL_BYTE_DATA_STREAM 0x40
+
+// CH1116 Config Commands
+
+#define CH1116_DISPLAY_OFF 0xAE  // #13
+
+#define CH1116_LOWER_COLUMN_ADDRESS 0x02   // #1 0x02-0x0F
+#define CH1116_HIGHER_COLUMN_ADDRESS 0x10  // #2 0x10-0x1F
+
+#define CH1116_DISPLAY_START_LINE 0x40  // #3
+
+#define CH1116_PAGE_ADDRESS 0xB0  // #18 0xB0-0xB7
+
+#define CH1116_CONTRACT_CONTROL 0x81      // #10
+#define CH1116_CONTRACT_CONTROL_128 0xCF  // #10
+
+#define CH1116_SEGMENT_REMAP 0xA1  // #12   ADC=1 (right)
+
+#define CH1116_NORMAL_DISPLAY 0xA6  // #14
+
+#define CH1116_MULTIPLEX_RATIO 0xA8  // #15
+#define CH1116_MULTIPLEX_RATIO_1_64 0x3F
+
+// VCC Generated by Internal DC/DC Circuit
+#define CH1116_CHARGE_PUMP_ENABLE 0xAD               // #16
+#define CH1116_CHARGE_PUMP_ENABLE_INTERNAL_VCC 0x8B  // #16
+
+#define CH1116_CHARGE_PUMP_VOLTAGE_9V 0x33  // #8
+
+#define CH1116_COM_SCAN_DIRECTION 0xC8  // #19
+
+#define CH1116_DISPLAY_OFFSET 0xD3    // #20
+#define CH1116_DISPLAY_OFFSET_0 0x00  // #20
+
+#define CH1116_SET_OSC_DIVISION 0xD5    // #21
+#define CH1116_SET_OSC_DIVISION_1 0x80  // #21
+
+#define CH1116_SET_PRE_CHARGE_PERIOD 0xD9    // #22
+#define CH1116_SET_PRE_CHARGE_PERIOD_1 0x1F  // #22
+
+#define CH1116_SET_COM_PINS 0xDA    // #23
+#define CH1116_SET_COM_PINS_1 0x12  // #23
+
+#define CH1116_SET_VCOMH 0xDB    // #24
+#define CH1116_SET_VCOMH_1 0x40  // #24
+
+#define CH1116_DISPLAY_ON 0xAF  // #13
+
+void ch1116_init() {
+  esp_err_t err;
+
+  i2c_cmd_handle_t cmd = i2c_cmd_link_create();
+
+  i2c_master_start(cmd);
+  i2c_master_write_byte(cmd, (CH1116_ADDRESS << 1) | I2C_MASTER_WRITE, true);
+
+  i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_COMMAND_STREAM, true);
+
+  i2c_master_write_byte(cmd, CH1116_DISPLAY_OFF, true);
+
+  i2c_master_write_byte(cmd, CH1116_LOWER_COLUMN_ADDRESS, true);
+  i2c_master_write_byte(cmd, CH1116_HIGHER_COLUMN_ADDRESS, true);
+
+  i2c_master_write_byte(cmd, CH1116_DISPLAY_START_LINE, true);
+
+  i2c_master_write_byte(cmd, CH1116_PAGE_ADDRESS, true);
+
+  i2c_master_write_byte(cmd, CH1116_CONTRACT_CONTROL, true);
+  i2c_master_write_byte(cmd, CH1116_CONTRACT_CONTROL_128, true);
+
+  i2c_master_write_byte(cmd, CH1116_SEGMENT_REMAP, true);
+
+  i2c_master_write_byte(cmd, CH1116_NORMAL_DISPLAY, true);
+
+  i2c_master_write_byte(cmd, CH1116_MULTIPLEX_RATIO, true);
+  i2c_master_write_byte(cmd, CH1116_MULTIPLEX_RATIO_1_64, true);
+
+  i2c_master_write_byte(cmd, CH1116_CHARGE_PUMP_ENABLE, true);
+  i2c_master_write_byte(cmd, CH1116_CHARGE_PUMP_ENABLE_INTERNAL_VCC, true);
+
+  i2c_master_write_byte(cmd, CH1116_CHARGE_PUMP_VOLTAGE_9V, true);
+
+  i2c_master_write_byte(cmd, CH1116_COM_SCAN_DIRECTION, true);
+
+  i2c_master_write_byte(cmd, CH1116_DISPLAY_OFFSET, true);
+  i2c_master_write_byte(cmd, CH1116_DISPLAY_OFFSET_0, true);
+
+  i2c_master_write_byte(cmd, CH1116_SET_OSC_DIVISION, true);
+  i2c_master_write_byte(cmd, CH1116_SET_OSC_DIVISION_1, true);
+
+  i2c_master_write_byte(cmd, CH1116_SET_PRE_CHARGE_PERIOD, true);
+  i2c_master_write_byte(cmd, CH1116_SET_PRE_CHARGE_PERIOD_1, true);
+
+  i2c_master_write_byte(cmd, CH1116_SET_COM_PINS, true);
+  i2c_master_write_byte(cmd, CH1116_SET_COM_PINS_1, true);
+
+  i2c_master_write_byte(cmd, CH1116_SET_VCOMH, true);
+  i2c_master_write_byte(cmd, CH1116_SET_VCOMH_1, true);
+
+  i2c_master_write_byte(cmd, CH1116_DISPLAY_ON, true);
+
+  i2c_master_stop(cmd);
+
+  err = i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS);
+  if (err == ESP_OK) {
+    ESP_LOGI(CH1116_TAG, "OLED configured successfully");
+  } else {
+    ESP_LOGE(CH1116_TAG, "OLED configuration failed. code: %s",
+             esp_err_to_name(err));
+  }
+  i2c_cmd_link_delete(cmd);
+}
+
+void task_ch1116_display_pattern(void *ignore) {
+  i2c_cmd_handle_t cmd;
+
+  for (uint8_t i = 0; i < 8; i++) {
+    cmd = i2c_cmd_link_create();
+    i2c_master_start(cmd);
+    i2c_master_write_byte(cmd, (CH1116_ADDRESS << 1) | I2C_MASTER_WRITE, true);
+    i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_COMMAND_SINGLE, true);
+    i2c_master_write_byte(cmd, 0xB0 | i, true);
+    i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_DATA_STREAM, true);
+    for (uint8_t j = 0; j < 132; j++) {
+      i2c_master_write_byte(cmd, 0xFF >> (j % 8), true);
+    }
+    i2c_master_stop(cmd);
+    i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS);
+    i2c_cmd_link_delete(cmd);
+  }
+}
+
+void task_ch1116_display_clear(void *ignore) {
+  i2c_cmd_handle_t cmd;
+
+  uint8_t zero[132];
+  memset(zero, 0, 132);
+  for (uint8_t i = 0; i < 8; i++) {
+    cmd = i2c_cmd_link_create();
+    i2c_master_start(cmd);
+    i2c_master_write_byte(cmd, (CH1116_ADDRESS << 1) | I2C_MASTER_WRITE, true);
+    i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_COMMAND_SINGLE, true);
+    i2c_master_write_byte(cmd, 0xB0 | i, true);
+
+    i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_DATA_STREAM, true);
+    i2c_master_write(cmd, zero, 132, true);
+    i2c_master_stop(cmd);
+    i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS);
+    i2c_cmd_link_delete(cmd);
+  }
+
+  cmd = i2c_cmd_link_create();
+  i2c_master_start(cmd);
+  i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_COMMAND_STREAM, true);
+  i2c_master_write_byte(cmd, 0x00, true);  // reset column
+  i2c_master_write_byte(cmd, 0x10, true);
+  i2c_master_write_byte(cmd, 0xB0, true);  // reset page
+  i2c_master_stop(cmd);
+  i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS);
+  i2c_cmd_link_delete(cmd);
+}
+
+static esp_err_t ch1116_draw_bitmap(int x_start, int y_start, int x_end,
+                                    int y_end, const void *color_data) {
+  assert((x_start < x_end) && (y_start < y_end) &&
+         "start position must be smaller than end position");
+
+  // one page contains 8 rows (COMs)
+  uint8_t page_start = y_start / 8;
+  uint8_t page_end = y_end / 8;
+  // define an area of frame memory where MCU can access
+
+  esp_err_t err;
+
+  i2c_cmd_handle_t cmd;
+
+  uint8_t *color_data_ptr = (uint8_t *)color_data;
+  uint16_t page_data_size = (x_end - x_start + 1);
+
+  // ESP_LOGI(CH1116_TAG, "y_start: %d, y_end: %d, page_start: %d, page_end:
+  // %d",
+  //          y_start, y_end, page_start, page_end);
+  // ESP_LOGI(CH1116_TAG, "x_start: %d, x_end: %d, page_data_size: %d", x_start,
+  //          x_end, page_data_size);
+
+  for (int page = page_start; page <= page_end; page++) {
+    cmd = i2c_cmd_link_create();
+
+    i2c_master_start(cmd);
+    i2c_master_write_byte(cmd, (CH1116_ADDRESS << 1) | I2C_MASTER_WRITE, true);
+
+    // set cursor position
+    i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_COMMAND_STREAM, true);
+    i2c_master_write_byte(cmd, CH1116_LOWER_COLUMN_ADDRESS | (x_start & 0x0f),
+                          true);
+    i2c_master_write_byte(cmd, CH1116_HIGHER_COLUMN_ADDRESS | (x_start >> 4),
+                          true);
+    i2c_master_write_byte(cmd, CH1116_PAGE_ADDRESS | (page & 0x0f), true);
+
+    i2c_master_stop(cmd);
+
+    err = i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS);
+    if (err != ESP_OK) {
+      i2c_cmd_link_delete(cmd);
+      return err;
+    }
+    i2c_cmd_link_delete(cmd);
+
+    // write page data
+    cmd = i2c_cmd_link_create();
+
+    i2c_master_start(cmd);
+    i2c_master_write_byte(cmd, (CH1116_ADDRESS << 1) | I2C_MASTER_WRITE, true);
+
+    i2c_master_write_byte(cmd, CH1116_CONTROL_BYTE_DATA_STREAM, true);
+    i2c_master_write(cmd, color_data_ptr, page_data_size, true);
+
+    i2c_master_stop(cmd);
+
+    err = i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS);
+
+    // ESP_LOG_BUFFER_HEXDUMP(CH1116_TAG, color_data_ptr, page_data_size,
+    //                        ESP_LOG_INFO);
+
+    color_data_ptr += page_data_size;
+
+    if (err != ESP_OK) {
+      i2c_cmd_link_delete(cmd);
+      return err;
+    }
+    i2c_cmd_link_delete(cmd);
+  }
+
+  return ESP_OK;
+}
+
+void ch1116_main(void) {
+  ch1116_init();
+
+  task_ch1116_display_pattern(NULL);
+  // vTaskDelay(1000 / portTICK_PERIOD_MS);
+  // task_ch1116_display_clear(NULL);
+}
\ No newline at end of file
diff --git a/main/embedded_display.c b/main/embedded_display.c
deleted file mode 100644
index a8f2e5e..0000000
--- a/main/embedded_display.c
+++ /dev/null
@@ -1,145 +0,0 @@
-#pragma once
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "codetab.h"
-#include "config_key.h"
-#include "driver/i2c.h"
-#include "esp_log.h"
-#include "i2c.c"
-
-#define Brightness 0xCF
-#define X_WIDTH 128
-#define Y_WIDTH 64
-
-void i2cWriteByte(uint8_t reg, uint8_t data) {
-  i2c_cmd_handle_t cmd = i2c_cmd_link_create();
-  i2c_master_start(cmd);
-  i2c_master_write_byte(cmd, SSD1306_ADDRESS << 1 | I2C_MASTER_WRITE, true);
-  i2c_master_write_byte(cmd, reg, true);
-  i2c_master_write_byte(cmd, data, true);
-  i2c_master_stop(cmd);
-  i2c_master_cmd_begin(I2C_MASTER_NUM, cmd, 1000 / portTICK_PERIOD_MS);
-  i2c_cmd_link_delete(cmd);
-}
-
-void i2cWriteCommand(uint8_t data) { i2cWriteByte(0x00, data); }
-
-void i2cWriteData(uint8_t data) { i2cWriteByte(0x40, data); }
-
-void display_fill(uint8_t bmpData) {
-  for (int y = 0; y < 8; y++) {
-    i2cWriteCommand(0xB0 + y);
-    i2cWriteCommand(0x01);
-    i2cWriteCommand(0x10);
-    for (int x = 0; x < X_WIDTH; x++) {
-      i2cWriteData(bmpData);
-    }
-  }
-}
-void display_fill_rect(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1,
-                       uint8_t bmpData) {
-  for (int y = y0; y < y1; y++) {
-    i2cWriteCommand(0xB0 + y);
-    i2cWriteCommand(0x01);
-    i2cWriteCommand(0x10);
-    for (int x = x0; x < x1; x++) {
-      i2cWriteData(bmpData);
-    }
-  }
-}
-
-void display_set_pos(uint8_t x, uint8_t y) {
-  i2cWriteCommand(0xB0 + y);
-  i2cWriteCommand(((x & 0xF0) >> 4) | 0x10);
-  i2cWriteCommand((x & 0x0F) | 0x01);
-}
-
-void display_print8_str(uint8_t x, uint8_t y, char str[]) {
-  if (!is_embedded_display_online) {
-    return;
-  }
-  uint8_t c;
-  for (uint8_t ch, ci = 0; ch = str[ci], ch != '\0'; ci++, x += 8) {
-    c = ch - 0x20;
-    display_set_pos(x, y);
-    for (uint8_t cx = 0; cx < 8; cx++) {
-      i2cWriteData(F8X16[c * 16 + cx]);
-    }
-    display_set_pos(x, y + 1);
-    for (uint8_t cx = 0; cx < 8; cx++) {
-      i2cWriteData(F8X16[c * 16 + cx + 8]);
-    };
-  }
-}
-
-void init_display() {
-  if (is_embedded_display_online == 0) {
-    ESP_LOGE("display", "display is offline");
-    return;
-  }
-
-  i2cWriteCommand(0xAE);  // display off
-  i2cWriteCommand(0x00);  // set lower column address
-  i2cWriteCommand(0x10);  // set higher column address
-  i2cWriteCommand(0x40);  // set start line address
-  i2cWriteCommand(0x81);  // set contrast control register
-  i2cWriteCommand(0xCF);  // set contrast
-  i2cWriteCommand(0xA1);  // set segment re-map
-  i2cWriteCommand(0xC8);  // set COM output scan direction
-  i2cWriteCommand(0xA6);  // set normal display
-  i2cWriteCommand(0xA8);  // set multiplex ratio(1 to 64)
-  i2cWriteCommand(0x3F);  // 1/64 duty
-  i2cWriteCommand(0xD3);  // set display offset
-  i2cWriteCommand(0x00);  // not offset
-  i2cWriteCommand(0xD5);  // set display clock divide ratio/oscillator frequency
-  i2cWriteCommand(0x80);  // set divide ratio
-  i2cWriteCommand(0xD9);  // set pre-charge period
-  i2cWriteCommand(0xF1);  // set pre-charge voltage
-  i2cWriteCommand(0xDA);  // set com pins hardware configuration
-  i2cWriteCommand(0x12);
-  i2cWriteCommand(0xDB);  // set vcomh
-  i2cWriteCommand(0x40);  // 0.77*vcc
-  i2cWriteCommand(0x20);  // set memory addressing mode
-  i2cWriteCommand(0x02);  // set page addressing mode
-  i2cWriteCommand(0x8D);  // set charge pump enable/disable
-  i2cWriteCommand(0x14);  // set(0x10) disable
-  i2cWriteCommand(0xAF);  // display on
-
-  display_fill(0x00);
-  display_set_pos(0, 0);
-}
-
-void gui_update_config_uint8(uint8_t key, uint8_t value) {
-  char changing_str[12] = "NC";
-  switch (key) {
-    case ui_input_key_display_0_brightness:
-      sprintf(changing_str, "Dis0: % 3d", value);
-      break;
-    case ui_input_key_display_1_brightness:
-      sprintf(changing_str, "Dis1: % 3d", value);
-      break;
-    case ui_input_key_computer_volume:
-      sprintf(changing_str, "CVol: % 3d", value);
-      break;
-    case ui_input_key_display_ambient_lighting_level:
-      sprintf(changing_str, "ALLv: % 3d", value);
-      break;
-    case ui_input_key_display_ambient_lighting_mode:
-      sprintf(changing_str, "ALMd: % 3d", value);
-      break;
-    case ui_input_key_display_0_mode:
-      sprintf(changing_str, "Dis0M: % 2d", value);
-      break;
-    case ui_input_key_display_1_mode:
-      sprintf(changing_str, "Dis1M: % 2d", value);
-      break;
-
-    default:
-      strcpy(changing_str, "NC");
-      break;
-  }
-  display_fill_rect(0, 6, 128, 8, 0);
-  display_print8_str(8, 6, changing_str);
-}
\ No newline at end of file
diff --git a/main/gui.c b/main/gui.c
new file mode 100644
index 0000000..8b8c5ea
--- /dev/null
+++ b/main/gui.c
@@ -0,0 +1,171 @@
+/*
+ * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: CC0-1.0
+ */
+
+#include <stdio.h>
+
+#include "ch1116.c"
+#include "driver/i2c.h"
+#include "esp_err.h"
+#include "esp_log.h"
+#include "esp_timer.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "lvgl.h"
+
+static const char *GUI_TAG = "LVGL_GUI";
+
+#define I2C_HOST 0
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////// Please update the following configuration according to your
+/// LCD spec //////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#define EXAMPLE_LCD_PIXEL_CLOCK_HZ (400 * 1000)
+
+#define EXAMPLE_LCD_H_RES CH1116_WIDTH
+#define EXAMPLE_LCD_V_RES CH1116_HEIGHT
+
+#define EXAMPLE_LVGL_TICK_PERIOD_MS 2
+
+extern void example_lvgl_demo_ui(lv_disp_t *disp);
+
+static void example_lvgl_flush_cb(lv_disp_drv_t *drv, const lv_area_t *area,
+                                  lv_color_t *color_map) {
+  int offsetx1 = area->x1;
+  int offsetx2 = area->x2;
+  int offsety1 = area->y1;
+  int offsety2 = area->y2;
+  // copy a buffer's content to a specific area of the display
+  ch1116_draw_bitmap(offsetx1, offsety1, offsetx2, offsety2, color_map);
+  lv_disp_flush_ready(drv);
+}
+
+static void example_lvgl_set_px_cb(lv_disp_drv_t *disp_drv, uint8_t *buf,
+                                   lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
+                                   lv_color_t color, lv_opa_t opa) {
+  uint16_t byte_index = x + ((y >> 3) * buf_w);
+  uint8_t bit_index = y & 0x7;
+
+  if ((color.full == 0) && (LV_OPA_TRANSP != opa)) {
+    buf[byte_index] |= (1 << bit_index);
+  } else {
+    buf[byte_index] &= ~(1 << bit_index);
+  }
+}
+
+static void example_lvgl_rounder(lv_disp_drv_t *disp_drv, lv_area_t *area) {
+  area->y1 = area->y1 & (~0x7);
+  area->y2 = area->y2 | 0x7;
+}
+
+static void example_increase_lvgl_tick(void *arg) {
+  /* Tell LVGL how many milliseconds has elapsed */
+  lv_tick_inc(EXAMPLE_LVGL_TICK_PERIOD_MS);
+}
+
+static void set_value(void *bar, int32_t v) {
+  lv_bar_set_value(bar, v, LV_ANIM_OFF);
+}
+
+void lv_example_bar_6(lv_obj_t *src) {
+  static lv_style_t style_bar;
+  lv_style_init(&style_bar);
+
+  lv_style_set_bg_color(&style_bar, lv_color_white());
+  lv_style_set_border_width(&style_bar, 1);
+  lv_style_set_border_color(&style_bar, lv_color_black());
+  lv_style_set_pad_hor(&style_bar, 4);
+  lv_style_set_pad_ver(&style_bar, 2);
+
+  static lv_style_t style_indic;
+  lv_style_init(&style_indic);
+
+  lv_style_set_bg_color(&style_indic, lv_color_black());
+
+  lv_obj_t *bar = lv_bar_create(src);
+  lv_obj_set_size(bar, 100, 10);
+  lv_obj_center(bar);
+  lv_obj_add_style(bar, &style_bar, LV_PART_MAIN);
+  lv_obj_add_style(bar, &style_indic, LV_PART_INDICATOR);
+  lv_bar_set_range(bar, 0, 100);
+  lv_bar_set_value(bar, 0, LV_ANIM_ON);
+
+  lv_anim_t a;
+  lv_anim_init(&a);
+  lv_anim_set_exec_cb(&a, set_value);
+  lv_anim_set_time(&a, 3000);
+  lv_anim_set_playback_time(&a, 3000);
+  lv_anim_set_var(&a, bar);
+  lv_anim_set_values(&a, 0, 50);
+  lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
+  lv_anim_start(&a);
+}
+
+void example_lvgl_demo_ui(lv_disp_t *disp) {
+  lv_obj_t *scr = lv_disp_get_scr_act(disp);
+
+  lv_obj_t *label = lv_label_create(scr);
+  lv_label_set_long_mode(label,
+                         LV_LABEL_LONG_SCROLL_CIRCULAR); /* Circular scroll
+                                                          */
+  lv_label_set_text(label, "Hello Espressif, Hello LVGL.");
+  lv_obj_set_width(label, 120);
+  lv_obj_center(label);
+
+  lv_example_bar_6(scr);
+}
+
+static void gui_tick(void *pvParameters) {
+  while (1) {
+    // raise the task priority of LVGL and/or reduce the handler period can
+    // improve the performance
+    vTaskDelay(pdMS_TO_TICKS(10));
+    // The task running lv_timer_handler should have lower priority than that
+    // running `lv_tick_inc`
+    lv_timer_handler();
+  }
+}
+void gui_main(void) {
+  static lv_disp_draw_buf_t
+      disp_buf;  // contains internal graphic buffer(s) called draw buffer(s)
+  static lv_disp_drv_t disp_drv;  // contains callback functions
+
+  ESP_LOGI(GUI_TAG, "Initialize LVGL library");
+  lv_init();
+  // alloc draw buffers used by LVGL
+  // it's recommended to choose the size of the draw buffer(s) to be at least
+  // 1/10 screen sized
+  lv_color_t *buf1 = malloc(EXAMPLE_LCD_H_RES * 20 * sizeof(lv_color_t));
+  assert(buf1);
+  lv_color_t *buf2 = malloc(EXAMPLE_LCD_H_RES * 20 * sizeof(lv_color_t));
+  assert(buf2);
+  // initialize LVGL draw buffers
+  lv_disp_draw_buf_init(&disp_buf, buf1, buf2, EXAMPLE_LCD_H_RES * 20);
+
+  ESP_LOGI(GUI_TAG, "Register display driver to LVGL");
+  lv_disp_drv_init(&disp_drv);
+  disp_drv.hor_res = EXAMPLE_LCD_H_RES;
+  disp_drv.ver_res = EXAMPLE_LCD_V_RES;
+  disp_drv.flush_cb = example_lvgl_flush_cb;
+  disp_drv.draw_buf = &disp_buf;
+  disp_drv.rounder_cb = example_lvgl_rounder;
+  disp_drv.set_px_cb = example_lvgl_set_px_cb;
+  lv_disp_t *disp = lv_disp_drv_register(&disp_drv);
+
+  ESP_LOGI(GUI_TAG, "Install LVGL tick timer");
+  // Tick interface for LVGL (using esp_timer to generate 2ms periodic event)
+  const esp_timer_create_args_t lvgl_tick_timer_args = {
+      .callback = &example_increase_lvgl_tick, .name = "lvgl_tick"};
+  esp_timer_handle_t lvgl_tick_timer = NULL;
+  ESP_ERROR_CHECK(esp_timer_create(&lvgl_tick_timer_args, &lvgl_tick_timer));
+  ESP_ERROR_CHECK(esp_timer_start_periodic(lvgl_tick_timer,
+                                           EXAMPLE_LVGL_TICK_PERIOD_MS * 1000));
+
+  ESP_LOGI(GUI_TAG, "Display LVGL Scroll Text");
+  example_lvgl_demo_ui(disp);
+
+  xTaskCreate(gui_tick, "gui_tick", 4096, (void *)NULL, 5, NULL);
+}
diff --git a/main/idf_component.yml b/main/idf_component.yml
index a37f9a3..64f0cb2 100644
--- a/main/idf_component.yml
+++ b/main/idf_component.yml
@@ -1,5 +1,6 @@
 ## IDF Component Manager Manifest File
 dependencies:
+  lvgl/lvgl: "~8.2.0"
   espressif/mdns: "^1.0.9"
   ## Required IDF version
   idf:
diff --git a/main/lvgl_demo_ui.c b/main/lvgl_demo_ui.c
new file mode 100755
index 0000000..28c0c69
--- /dev/null
+++ b/main/lvgl_demo_ui.c
@@ -0,0 +1,19 @@
+/*
+ * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: CC0-1.0
+ */
+
+#include "lvgl.h"
+
+void example_lvgl_demo_ui(lv_disp_t *disp) {
+  lv_obj_t *scr = lv_disp_get_scr_act(disp);
+
+  lv_obj_t *label = lv_label_create(scr);
+  lv_label_set_long_mode(label,
+                         LV_LABEL_LONG_SCROLL_CIRCULAR); /* Circular scroll
+                                                          */
+  lv_label_set_text(label, "Hello Espressif, Hello LVGL.");
+  lv_obj_set_width(label, 120);
+  lv_obj_align(label, LV_ALIGN_TOP_MID, 0, 0);
+}
diff --git a/main/main.c b/main/main.c
index b8f81d9..d12c9dd 100644
--- a/main/main.c
+++ b/main/main.c
@@ -1,19 +1,20 @@
-#include "apds_9960.c"
+// #include "apds_9960.c"
 #include "app_nvs.c"
+#include "ch1116.c"
 #include "ci_03t.c"
-#include "embedded_display.c"
 #include "esp_log.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
+#include "gui.c"
 #include "i2c.c"
 #include "light.c"
-#include "mqtt.c"
-#include "pca9555.c"
+// #include "mqtt.c"
+// #include "pca9555.c"
 #include "sdkconfig.h"
 #include "service_discovery.c"
-#include "temperature.c"
+// #include "temperature.c"
 #include "udp_server.c"
-#include "ui_input.c"
+// #include "ui_input.c"
 #include "wifi.c"
 
 static const char *APP_TAG = "DisplayAmbientLight";
@@ -26,17 +27,18 @@ void app_main(void) {
   init_i2c();
   i2c_check_slaves();
 
-  init_display();
-  display_print8_str(0, 0, "Ambient Light");
+  ch1116_main();
+  gui_main();
+  // display_print8_str(0, 0, "Ambient Light");
 
   ci_03t_init();
-  apds_9960_init();
-  apds_9960_auto_fetch();
-  auto_fetch_temperature();
-  pca9555_init();
-  ui_input_init();
-  xTaskCreate(mqtt_publish_ui_input, "mqtt_publish_ui_input", 2048, NULL, 10,
-              NULL);
+  // apds_9960_init();
+  // apds_9960_auto_fetch();
+  // auto_fetch_temperature();
+  // pca9555_init();
+  // ui_input_init();
+  // xTaskCreate(mqtt_publish_ui_input, "mqtt_publish_ui_input", 2048, NULL, 10,
+  //             NULL);
   vTaskDelay(pdMS_TO_TICKS(10));
   light_play(light_mode_connection_wifi);
   if (connect_wifi()) {
@@ -45,14 +47,14 @@ void app_main(void) {
   udp_server_init();
   service_discovery_init();
   vTaskDelay(pdMS_TO_TICKS(1000));
-  mqtt_app_start();
+  // mqtt_app_start();
   // if (waiting_for_mqtt_connected()) {
   //   light_play(light_mode_mqtt_connected);
   // }
   // if (waiting_for_desktop_online()) {
   //   light_play(light_mode_desktop_online);
   // }
-  while (waiting_and_get_colors()) {
-    light_play_colors(NUMBER_OF_LEDS * 3, mqtt_colors_buffer);
-  }
+  // while (waiting_and_get_colors()) {
+  //   light_play_colors(NUMBER_OF_LEDS * 3, mqtt_colors_buffer);
+  // }
 }
diff --git a/main/mqtt.c b/main/mqtt.c
index f092e75..fde480d 100644
--- a/main/mqtt.c
+++ b/main/mqtt.c
@@ -4,7 +4,6 @@
 
 #include "cJSON.h"
 #include "ci_03t.c"
-#include "embedded_display.c"
 #include "esp_bit_defs.h"
 #include "esp_event.h"
 #include "esp_log.h"
diff --git a/main/ui_input.c b/main/ui_input.c
index 64af189..425c6da 100644
--- a/main/ui_input.c
+++ b/main/ui_input.c
@@ -148,6 +148,8 @@ static void encoder_value_change(encoder_state_t *state) {
     return;
   }
 
+  ESP_LOGI(UI_INPUT_TAG, "key: %d, delta: %d", state->key, delta);
+
   s_ui_input_t event = {.value = delta};
   if (state->key == ui_input_raw_key_encoder_0) {
     if (state->value & 1) {