diff --git a/semestralka1/src/render/loop.cpp b/semestralka1/src/render/loop.cpp
index be6c30f..162338b 100644
--- a/semestralka1/src/render/loop.cpp
+++ b/semestralka1/src/render/loop.cpp
@@ -75,6 +75,8 @@ static bool update_animation(Timer &anim_timer, int &shift, int speed) {
 void render_loop(int speed) {
   Timer msg_timer;
   Timer anim_timer;
+  Timer crawl_timer;
+
   msg_timer.start();
   anim_timer.start();
 
@@ -82,31 +84,49 @@ void render_loop(int speed) {
   const char *bg_file = "background_dark_inverted.txt";
   bool need_redraw = false;
 
+  bool crawling = false; // are we in 1s crawl state?
+  bool crawl_timer_started = false;
+  const auto CRAWL_DURATION = 300ms;
+
   while (true) {
     need_redraw = false;
 
     int uart_state = read_uart(); // returns 0/1/2
     if (uart_state == 1)
-        need_redraw = true;
+      need_redraw = true;
 
-    bool triggered = (uart_state == 2);
+    if (uart_state == 2) {
+      // start crawl frame for 1 second
+      crawling = true;
+      crawl_timer.reset();
+      crawl_timer.start();
+      crawl_timer_started = true;
+    }
+
+    // stop crawling after 1 second
+    if (crawling && crawl_timer_started &&
+        crawl_timer.elapsed_time() >= CRAWL_DURATION) {
+      crawling = false;
+      crawl_timer.stop();
+      crawl_timer_started = false;
+    }
 
     if (update_animation(anim_timer, shift, speed))
       need_redraw = true;
 
-    if (need_redraw || triggered) {
-        draw_mask(bg_file, shift, message_active ? message : nullptr);
+    if (need_redraw || crawling) {
+      draw_mask(bg_file, shift, message_active ? message : nullptr);
 
-        static int frame = 0;
-        if (triggered) {
-            // Display triggered frame once
-            draw_player(18, 13, 2);
-        } else {
-            draw_player(18, 13, frame);
-            frame = (frame + 1) % 2; // alternate between frame 0 and 1
-        }
+      static int frame = 0;
+      if (crawling) {
+        // Display crawl frame during 1s crawl state
+        draw_player(18, 13, 2);
+      } else {
+        draw_player(18, 13, frame);
+        frame = (frame + 1) % 2; // alternate between frame 0 and 1
+      }
 
-        ThisThread::sleep_for(50ms);
+      ThisThread::sleep_for(50ms);
     }
 
     ThisThread::sleep_for(25ms);