Add small delay to stabilize power.

src/main.rs

@@ -67,6 +67,10 @@ async fn main(spawner: Spawner) {
     }    
 
     let p = embassy_stm32::init(config);
+
+    // Small delay to allow power to stabilize
+    Timer::after_millis(100).await;
+    
     info!("Hello World!");
 
     // let mut led = Output::new(p.PA5, Level::High, Speed::Low);