diff --git a/public/logo.png b/public/logo.png
new file mode 100644
index 0000000..2f63265
Binary files /dev/null and b/public/logo.png differ
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index 799b069..addd626 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -16,8 +16,15 @@ fn scan() -> Option<Box<dyn SerialPort>> {
     println!("[LOG] Ports: {:?}", ports);
     for p in ports {
         println!("[LOG] Scanning port {}", p.port_name);
+        match p.port_type {
+            serialport::SerialPortType::UsbPort(_) => {},
+            _ => {
+                println!("[LOG] Not a USB port");
+                continue;
+            }
+        }
         let raw_port = serialport::new(p.port_name.as_str(), 9600)
-            .timeout(Duration::from_millis(20000))
+            .timeout(Duration::from_millis(50))
             .open()
         ;
 
@@ -32,7 +39,7 @@ fn scan() -> Option<Box<dyn SerialPort>> {
             .write("csmenor".as_bytes()).expect("[LOG] Unable to write to port")
         ;
 
-        thread::sleep(Duration::from_millis(1000));
+        thread::sleep(Duration::from_millis(10));
 
         let mut result = vec![0; 9];
       
diff --git a/src/lib/Loading.svelte b/src/lib/Loading.svelte
index c7d13f2..19cf1ac 100644
--- a/src/lib/Loading.svelte
+++ b/src/lib/Loading.svelte
@@ -1,6 +1,6 @@
 <div class="flex justify-center items-center h-screen flex-col">
     tady bude nejaky nacitani asi
     <div class="animate-bounce">
-        penis
+        <img src="logo.png" alt="penis">
     </div>
 </div>