diff --git a/README-cmake.md b/README-cmake.md
index f2bb04f..048ec59 100644
--- a/README-cmake.md
+++ b/README-cmake.md
@@ -88,6 +88,16 @@ I (0) cpu_start: Starting scheduler on APP CPU.
 Hello, world!
 ```
 
+## Simulate
+
+Wokwi for VS Code allows to simulte our application:
+0. `diagram.json` might need to be updated with the proper board. See, [available boards](https://docs.wokwi.com/diagram-format#parts).
+1. Press `F1`
+2. Run `Wokwi: Start Simulator`
+
+For more information and details on how to use the Wokwi extension, see [Getting Started](https://docs.wokwi.com/vscode/getting-started) and [Debugging your code](https://docs.wokwi.com/vscode/debugging
+) Chapter of the Wokwi documentation.
+
 ## Prerequisites
 
 ### Install Rust (with `rustup`)
@@ -125,7 +135,7 @@ While you **can** target the RISC-V Espressif SOCs (`esp32-cXX` and `esp32-hXX`)
    ```sh
    rustup toolchain install nightly --component rust-src
    ```
-   
+
 ### Install Python3
 
 You need a Python 3.7 or later installed on your machine. Install it from the package distro of your OS, or download and install it [from the official Python site](https://www.python.org/downloads/).
diff --git a/cargo/diagram.json b/cargo/diagram.json
index 6e0683c..8cc2512 100644
--- a/cargo/diagram.json
+++ b/cargo/diagram.json
@@ -15,21 +15,12 @@
     ],
     "connections": [
         [
-            {% if mcu == "esp32" -%}
-            "esp:TX0",
-            {% else -%}
-            "esp:TX",
-            {% endif -%}
             "$serialMonitor:RX",
             "",
             []
         ],
         [
-            {% if mcu == "esp32" -%}
-            "esp:RX0",
-            {% else -%}
             "esp:RX",
-            {% endif -%}
             "$serialMonitor:TX",
             "",
             []
@@ -39,4 +30,4 @@
         "display": "terminal",
         "convertEol": true
     }
-}
\ No newline at end of file
+}
diff --git a/cargo/pre-script.rhai b/cargo/pre-script.rhai
index af1c05d..d2db0d5 100644
--- a/cargo/pre-script.rhai
+++ b/cargo/pre-script.rhai
@@ -3,7 +3,7 @@ let targets = #{
         arch: "xtensa",
         rust_target: "xtensa-esp32-espidf",
         gcc_target: "xtensa-esp32-elf",
-        wokwi_board: "board-esp32-devkit-v1",
+        wokwi_board: "board-esp32-devkit-c-v4",
     },
     esp32c2: #{
         arch: "riscv",
@@ -27,7 +27,7 @@ let targets = #{
         arch: "riscv",
         rust_target: "riscv32imac-esp-espidf",
         gcc_target: "riscv32-esp-elf",
-        wokwi_board: "",
+        wokwi_board: "board-esp32-h2-devkitm-1",
     },
     esp32s2: #{
         arch: "xtensa",
diff --git a/cmake/diagram.json b/cmake/diagram.json
new file mode 100644
index 0000000..16f5271
--- /dev/null
+++ b/cmake/diagram.json
@@ -0,0 +1,35 @@
+{
+    "version": 1,
+    "author": "{{authors}}",
+    "editor": "wokwi",
+    "parts": [
+        {
+            "type": "board-esp32-devkit-c-v4",
+            "id": "esp",
+            "top": 0,
+            "left": 0,
+            "attrs": {
+                "flashSize": "16"
+            }
+        }
+    ],
+    "connections": [
+        [
+            "esp:TX",
+            "$serialMonitor:RX",
+            "",
+            []
+        ],
+        [
+            "esp:RX",
+            "$serialMonitor:TX",
+            "",
+            []
+        ]
+    ],
+    "serialMonitor": {
+        "display": "terminal",
+        "convertEol": true
+    },
+    "dependencies": {}
+}
diff --git a/cmake/wokwi.toml b/cmake/wokwi.toml
new file mode 100644
index 0000000..db7d62b
--- /dev/null
+++ b/cmake/wokwi.toml
@@ -0,0 +1,4 @@
+[wokwi]
+version = 1
+firmware = 'build/flasher_args.json'
+elf = 'build/{{project-name}}.elf'