diff --git a/.editorconfig b/.editorconfig
index 0d35e36..7b60442 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -28,12 +28,12 @@ indent_size = 2
 # C
 [{*.c,*.h}]
 indent_style = space
-indent_size = 4
+indent_size = 2
 
 # C++
 [{*.cpp,*.ino,*.hpp}]
 indent_style = space
-indent_size = 4
+indent_size = 2
 
 # V
 [{*.v,v.mod}]
diff --git a/projects/SFML/.gitignore b/projects/SFML/.gitignore
new file mode 100644
index 0000000..ef60e60
--- /dev/null
+++ b/projects/SFML/.gitignore
@@ -0,0 +1,3 @@
+# XMake
+build/
+.xmake/
diff --git a/projects/SFML/fullscreen.cpp b/projects/SFML/fullscreen.cpp
new file mode 100644
index 0000000..208c79d
--- /dev/null
+++ b/projects/SFML/fullscreen.cpp
@@ -0,0 +1,58 @@
+#include <iostream>
+#include <SFML/System.hpp>
+#include <SFML/Window.hpp>
+#include <SFML/Graphics.hpp>
+#include <SFML/Graphics/Text.hpp>
+
+int main() {
+  bool isFullscreen = false;
+  int screenWidth = sf::VideoMode::getDesktopMode().width;
+  int screenHeight = sf::VideoMode::getDesktopMode().height;
+
+  sf::Font font;
+  std::string fontPath = "/usr/share/fonts/truetype/ubuntu/Ubuntu-R.ttf";
+  if (!font.loadFromFile(fontPath)) {
+    std::cout << "Error loading font: " << fontPath << std::endl;
+    exit(EXIT_FAILURE);
+  }
+
+  sf::Text text;
+  text.setFont(font);
+  text.setCharacterSize(24);
+  text.setFillColor(sf::Color::White);
+  text.setString("Press F keyboard button to toggle fullscreen mode");
+
+  sf::RenderWindow window;
+  window.create(sf::VideoMode(640, 480), "Fullscreen example");
+
+  while (window.isOpen()) {
+    sf::Event event;
+
+    while (window.pollEvent(event)) {
+      if (event.type == sf::Event::Closed)
+        window.close();
+
+      if (sf::Keyboard::isKeyPressed(sf::Keyboard::Escape))
+        window.close();
+
+      if (sf::Keyboard::isKeyPressed(sf::Keyboard::F)) {
+        isFullscreen = !isFullscreen;
+
+        window.close();
+
+        if (isFullscreen)
+          window.create(sf::VideoMode(screenWidth, screenHeight),
+                        "Fullscreen example", sf::Style::Fullscreen);
+        else
+          window.create(sf::VideoMode(640, 480), "Fullscreen example",
+                        sf::Style::Default);
+      }
+    }
+
+    window.clear(sf::Color::Black);
+    window.draw(text);
+    window.display();
+  }
+
+  return EXIT_SUCCESS;
+}
diff --git a/projects/SFML/xmake.lua b/projects/SFML/xmake.lua
new file mode 100644
index 0000000..da314cb
--- /dev/null
+++ b/projects/SFML/xmake.lua
@@ -0,0 +1,8 @@
+set_project("sfml_examples")
+set_languages("cxx14")
+
+target("fullscreen")
+    set_kind("binary")
+    add_syslinks("sfml-graphics", "sfml-window", "sfml-system")
+    add_files("fullscreen.cpp")
+    -- add_deps("log", "trt_api", "yolov8", "serial")