diff --git a/semestralka_1/src/bin/main.rs b/semestralka_1/src/bin/main.rs
index 653bcb1..ac9d619 100644
--- a/semestralka_1/src/bin/main.rs
+++ b/semestralka_1/src/bin/main.rs
@@ -105,13 +105,14 @@ async fn main(spawner: Spawner) {
     tim.enable_update_interrupt(true);
     tim.start();
 
+    tx.set_high();
     loop {
 
-        TIM2_TICK.wait().await;
-        tx.set_high();
         TIM2_TICK.wait().await;
         tx.set_low();
+        TIM2_TICK.wait().await;
 
+        Timer::after(Duration::from_millis(1000)).await;
         // Poll RX pipe for new data (non-blocking)
         if let Ok(n) = UART_RX.try_read(&mut rx_buf) {
             if n > 0 {