diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..84d2aa4
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,35 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+      {
+        "name": "esp32_c3_lcdkit - Wokwi GDB",
+        "type": "cppdbg",
+        "request": "launch",
+        "program": "${workspaceFolder}/build.esp32_c3_lcdkit/esp32-sdl3-swift-example.elf",
+        "cwd": "${workspaceFolder}",
+        "MIMode": "gdb",
+        "miDebuggerPath": "${command:espIdf.getToolchainGdb}",
+        "miDebuggerServerAddress": "localhost:3333"
+      },
+      {
+        "name": "esp32_c6_devkit - Wokwi GDB",
+        "type": "cppdbg",
+        "request": "launch",
+        "program": "${workspaceFolder}/build.esp32_c6_devkit/esp32-sdl3-swift-example.elf",
+        "cwd": "${workspaceFolder}",
+        "MIMode": "gdb",
+        "miDebuggerPath": "${command:espIdf.getToolchainGdb}",
+        "miDebuggerServerAddress": "localhost:3333"
+      },
+      {
+        "name": "esp32_p4_function_ev_board - Wokwi GDB",
+        "type": "cppdbg",
+        "request": "launch",
+        "program": "${workspaceFolder}/build.esp32_p4_function_ev_board/esp32-sdl3-swift-example.elf",
+        "cwd": "${workspaceFolder}",
+        "MIMode": "gdb",
+        "miDebuggerPath": "${command:espIdf.getToolchainGdb}",
+        "miDebuggerServerAddress": "localhost:3333"
+      },
+    ]
+  }
\ No newline at end of file
diff --git a/README.md b/README.md
index 268cb43..28fd9a5 100644
--- a/README.md
+++ b/README.md
@@ -69,6 +69,14 @@ idf.py @boards/esp32_c6_devkit.cfg menuconfig
 idf.py @boards/esp32_c6_devkit.cfg flash monitor
 ```
 
+### Run simulation in VS Code
+
+- Build the project, to get binaries for simulation.
+- Install [Wokwi for VS Code](https://docs.wokwi.com/vscode/getting-started/).
+- Open file `boards/esp32_.../diagram.json`.
+- Click Play button to start simulation.
+- Click Pause button to freeze simulation and display states of GPIOs.
+
 ## Credits
 
 - Graphical assets: https://opengameart.org/content/platformer-tiles
diff --git a/boards/esp32_c3_lcdkit/wokwi.toml b/boards/esp32_c3_lcdkit/wokwi.toml
index e9da89c..e74bf03 100644
--- a/boards/esp32_c3_lcdkit/wokwi.toml
+++ b/boards/esp32_c3_lcdkit/wokwi.toml
@@ -2,6 +2,6 @@
 # Reference: https://docs.wokwi.com/vscode/project-config
 [wokwi]
 version = 1
-firmware = 'build.esp32_c3_lcdkit/flasher_args.json'
-elf = 'build.esp32_c3_lcdkit/esp32-sdl3-swift-example.elf'
-gdbServerPort=3333
+firmware = '../../build.esp32_c3_lcdkit/flasher_args.json'
+elf = '../../build.esp32_c3_lcdkit/esp32-sdl3-swift-example.elf'
+# gdbServerPort=3333
diff --git a/boards/esp32_c6_devkit/diagram.json b/boards/esp32_c6_devkit/diagram.json
index a70c491..27f90c8 100644
--- a/boards/esp32_c6_devkit/diagram.json
+++ b/boards/esp32_c6_devkit/diagram.json
@@ -1,33 +1,29 @@
 {
-    "version": 1,
-    "author": "Juraj Michálek",
-    "editor": "wokwi",
-    "parts": [
-      {
-        "type": "board-esp32-c6-devkitc-1",
-        "id": "esp",
-        "top": -494.32,
-        "left": -455.03
-      },
-      {
-        "type": "wokwi-ili9341",
-        "id": "lcd1",
-        "top": -546.22,
-        "left": -134.92
-      }
-    ],
-    "connections": [
-      [ "esp:TX", "$serialMonitor:RX", "", [] ],
-      [ "esp:RX", "$serialMonitor:TX", "", [] ],
-      [ "esp:3V3", "lcd1:VCC", "green", [] ],
-      [ "esp:GND.1", "lcd1:GND", "black", [] ],
-      [ "esp:6", "lcd1:SCK", "blue", [] ],
-      [ "esp:7", "lcd1:MOSI", "orange", [] ],
-      [ "esp:20", "lcd1:CS", "red", [] ],
-      [ "esp:21", "lcd1:D/C", "magenta", [] ],
-      [ "esp:3", "lcd1:RST", "yellow", [] ],
-      [ "lcd1:LED", "esp:3V3", "white", [] ]
-    ],
-    "serialMonitor": { "display": "terminal" },
-    "dependencies": {}
-  }
\ No newline at end of file
+  "version": 1,
+  "author": "Juraj Michálek",
+  "editor": "wokwi",
+  "parts": [
+    {
+      "type": "board-esp32-c6-devkitc-1",
+      "id": "esp",
+      "top": -494.32,
+      "left": -455.03,
+      "attrs": {}
+    },
+    { "type": "wokwi-ili9341", "id": "lcd1", "top": -546.22, "left": -134.92, "attrs": {} }
+  ],
+  "connections": [
+    [ "esp:TX", "$serialMonitor:RX", "", [] ],
+    [ "esp:RX", "$serialMonitor:TX", "", [] ],
+    [ "esp:3V3", "lcd1:VCC", "green", [ "v221.21", "h362.93" ] ],
+    [ "esp:GND.1", "lcd1:GND", "black", [ "h-11.25", "v86.81", "h383.78" ] ],
+    [ "esp:6", "lcd1:SCK", "blue", [ "h-40.05", "v240.41", "h460.59" ] ],
+    [ "esp:7", "lcd1:MOSI", "orange", [ "h-30.45", "v221.21", "h441.39" ] ],
+    [ "esp:20", "lcd1:CS", "red", [ "h16.45", "v173.21", "h278.18" ] ],
+    [ "esp:21", "lcd1:D/C", "magenta", [ "h26.05", "v202.01", "h287.78" ] ],
+    [ "esp:3", "lcd1:RST", "yellow", [ "h-20.85", "v134.81", "h412.58" ] ],
+    [ "lcd1:LED", "esp:3V3", "white", [ "v86.22", "h-479.79", "v-288.41" ] ]
+  ],
+  "serialMonitor": { "display": "terminal" },
+  "dependencies": {}
+}
\ No newline at end of file
diff --git a/boards/esp32_c6_devkit/wokwi.toml b/boards/esp32_c6_devkit/wokwi.toml
index 9a80fd8..67d197f 100644
--- a/boards/esp32_c6_devkit/wokwi.toml
+++ b/boards/esp32_c6_devkit/wokwi.toml
@@ -2,6 +2,6 @@
 # Reference: https://docs.wokwi.com/vscode/project-config
 [wokwi]
 version = 1
-firmware = 'build.esp32_c6_devkit/flasher_args.json'
-elf = 'build.esp32_c6_devkit/esp32-sdl3-swift-example.elf'
-gdbServerPort=3333
+firmware = '../../build.esp32_c6_devkit/flasher_args.json'
+elf = '../../build.esp32_c6_devkit/esp32-sdl3-swift-example.elf'
+# gdbServerPort=3333
diff --git a/boards/esp32_p4_function_ev_board/wokwi.toml b/boards/esp32_p4_function_ev_board/wokwi.toml
index 7d5a8a2..2826a1c 100644
--- a/boards/esp32_p4_function_ev_board/wokwi.toml
+++ b/boards/esp32_p4_function_ev_board/wokwi.toml
@@ -2,6 +2,6 @@
 # Reference: https://docs.wokwi.com/vscode/project-config
 [wokwi]
 version = 1
-firmware = 'build.esp32_p4_function_ev_board/flasher_args.json'
-elf = 'build.esp32_p4_function_ev_board/esp32-sdl3-swift-example.elf'
-gdbServerPort=3333
+firmware = '../../build.esp32_p4_function_ev_board/flasher_args.json'
+elf = '../../build.esp32_p4_function_ev_board/esp32-sdl3-swift-example.elf'
+# gdbServerPort=3333
diff --git a/diagram.json b/diagram.json
deleted file mode 100644
index d05a522..0000000
--- a/diagram.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-    "version": 1,
-    "author": "Uri Shaked",
-    "editor": "wokwi",
-    "parts": [
-      { "type": "board-esp32-p4-function-ev", "id": "esp", "top": 0, "left": 0,
-            "attrs": {
-            "flashSize": "16",
-            "psramSize": "32"
-            }
-        }
-    ],
-    "connections": [
-      ["esp:37", "$serialMonitor:RX", "", []],
-      ["esp:38", "$serialMonitor:TX", "", []]
-    ]
-}
diff --git a/wokwi.toml b/wokwi.toml
deleted file mode 100644
index 7d5a8a2..0000000
--- a/wokwi.toml
+++ /dev/null
@@ -1,7 +0,0 @@
-# Wokwi Configuration File
-# Reference: https://docs.wokwi.com/vscode/project-config
-[wokwi]
-version = 1
-firmware = 'build.esp32_p4_function_ev_board/flasher_args.json'
-elf = 'build.esp32_p4_function_ev_board/esp32-sdl3-swift-example.elf'
-gdbServerPort=3333