diff --git a/examples/app.rs b/examples/app.rs
index 2d3364abcbaa1509e48364032ec788c2dc56a243..2216d2b622a10c8ec5355369c04e741698561329 100644
--- a/examples/app.rs
+++ b/examples/app.rs
@@ -30,10 +30,16 @@ const APP: () = {
         let p: pac::Peripherals = device;
         let port0 = p.P0.split();
 
-        let mut led: P0_14<gpio::Output<PushPull>> = port0.p0_14.into_push_pull_output(Level::High);
+        let mut led: P0_14<gpio::Output<PushPull>> =
+            port0.p0_14.into_push_pull_output(Level::High);
 
+        hprintln!("init").unwrap();
         loop {
+            hprintln!("set_low").unwrap();
+
             led.set_low();
+            hprintln!("set_high").unwrap();
+
             led.set_high();
         }