diff --git a/boards/JC4827W543C.json b/boards/JC4827W543C.json
new file mode 100644
index 0000000..167333f
--- /dev/null
+++ b/boards/JC4827W543C.json
@@ -0,0 +1,40 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "esp32s3_out.ld",
+      "partitions": "default_16MB.csv",
+      "memory_type": "qio_opi"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DBOARD_HAS_PSRAM",
+      "-DARDUINO_USB_CDC_ON_BOOT=1",
+      "-DARDUINO_USB_MODE=1",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=0"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "hwids": [["0x303A", "0x1001"]],
+    "mcu": "esp32s3",
+    "variant": "esp32s3_wroom_1_N16R8"
+  },
+  "connectivity": ["bluetooth", "wifi"],
+  "debug": {
+    "default_tool": "esp-builtin",
+    "onboard_tools": ["esp-builtin"],
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": ["arduino", "espidf"],
+  "name": "Guition JC4827W543C (16 MB FLASH, 8 MB PSRAM)",
+  "upload": {
+    "flash_size": "16MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 16777216,
+    "require_upload_port": true,
+    "speed": 921600
+  },
+  "url": "https://aliexpress.com/item/1005006625303218.html",
+  "vendor": "Guition"
+}
diff --git a/platformio.ini b/platformio.ini
index 8b36726..50ce1bf 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -13,7 +13,7 @@ default_envs = native-mui
 
 [device-ui_base]
 lib_deps =
-  https://github.com/meshtastic/device-ui/archive/7473151c8a4c2248200c6e864142a5227f221aa8.zip
+  https://github.com/meshtastic/device-ui/archive/d9eef22c0d1ddcf39f3dedaf426ac0efa34eb0fb.zip
   nanopb/Nanopb@^0.4.91
 
 
@@ -37,7 +37,7 @@ build_flags = -std=c++17 -Os
   -I src/mesh/generated
 lib_deps =
   ${device-ui_base.lib_deps}
-  lovyan03/LovyanGFX@1.2.0
+  https://github.com/lovyan03/LovyanGFX/archive/80788f07120871f595f2e1f8581f3fa881405ff6.zip ; develop branch
 
 [env:wt32-sc01-plus-mui]
 board = wt32-sc01-plus
@@ -248,6 +248,43 @@ lib_deps = ${env.lib_deps}
   LittleFS
 
 
+[env:JC4827W543C-mui]
+board = JC4827W543C
+board_build.partitions = default_16MB.csv
+upload_protocol = esptool
+build_flags = ${env.build_flags}
+  -D ARCH_ESP32
+  -D JC4827W543C
+  -D USE_ILOG
+  -D LV_USE_LOG=0
+  -D WAIT_FOR_SERIAL0
+  ;-D WAKE_ON_SERIAL
+  -D USE_SERIAL1
+  -D SERIAL_RX=17
+  -D SERIAL_TX=18
+  -D BUTTON_PIN=0
+;  -D INPUTDRIVER_BUTTON_TYPE=0
+;  -D HAS_SDCARD
+  -D MAP_FULL_REDRAW
+  -D HAS_TFT=1
+  -D RAM_SIZE=6144
+  -D LV_CACHE_DEF_SIZE=3145728
+  -D LV_USE_SYSMON=0
+  -D LV_USE_PROFILER=0
+  -D LV_USE_PERF_MONITOR=0
+  -D LV_USE_MEM_MONITOR=0
+  -D DISPLAY_SET_RESOLUTION
+  -D LGFX_DRIVER=LGFX_JC4827W543C
+  -D GFX_DRIVER_INC=\"graphics/LGFX/LGFX_JC4827W543C.h\"
+  -D VIEW_320x240
+  -I lib
+  -I lib/mesh/generated
+  -I variants/JC4827W543
+build_src_filter = ${env.build_src_filter}
+  +<../lib/mesh>
+lib_deps = ${env.lib_deps}
+  LittleFS
+
 [env:t-hmi-mui]
 board = lilygo-t-hmi
 board_build.partitions = default_16MB.csv
diff --git a/variants/JC4827W543/pins_arduino.h b/variants/JC4827W543/pins_arduino.h
new file mode 100644
index 0000000..469c7d9
--- /dev/null
+++ b/variants/JC4827W543/pins_arduino.h
@@ -0,0 +1,63 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include "soc/soc_caps.h"
+#include <stdint.h>
+
+#define USB_VID 0x303a
+#define USB_PID 0x1001
+
+static const uint8_t SPI_MOSI = 13;
+static const uint8_t SPI_SCK = 12;
+static const uint8_t SPI_MISO = 11;
+static const uint8_t SPI_CS = 45;
+static const uint8_t SDCARD_CS = 10;
+
+static const uint8_t TX = 43;
+static const uint8_t RX = 44;
+
+static const uint8_t SDA = 8;
+static const uint8_t SCL = 4;
+
+static const uint8_t SS = 45;
+static const uint8_t MOSI = 13;
+static const uint8_t MISO = 11;
+static const uint8_t SCK = 12;
+
+static const uint8_t A0 = 1;
+static const uint8_t A1 = 2;
+static const uint8_t A2 = 3;
+static const uint8_t A3 = 4;
+static const uint8_t A4 = 5;
+static const uint8_t A5 = 6;
+static const uint8_t A6 = 7;
+static const uint8_t A7 = 8;
+static const uint8_t A8 = 9;
+static const uint8_t A9 = 10;
+static const uint8_t A10 = 11;
+static const uint8_t A11 = 12;
+static const uint8_t A12 = 13;
+static const uint8_t A13 = 14;
+static const uint8_t A14 = 15;
+static const uint8_t A15 = 16;
+static const uint8_t A16 = 17;
+static const uint8_t A17 = 18;
+static const uint8_t A18 = 19;
+static const uint8_t A19 = 20;
+
+static const uint8_t T1 = 1;
+static const uint8_t T2 = 2;
+static const uint8_t T3 = 3;
+static const uint8_t T4 = 4;
+static const uint8_t T5 = 5;
+static const uint8_t T6 = 6;
+static const uint8_t T7 = 7;
+static const uint8_t T8 = 8;
+static const uint8_t T9 = 9;
+static const uint8_t T10 = 10;
+static const uint8_t T11 = 11;
+static const uint8_t T12 = 12;
+static const uint8_t T13 = 13;
+static const uint8_t T14 = 14;
+
+#endif /* Pins_Arduino_h */