diff --git a/crates/windlass/examples/sim.rs b/crates/windlass/examples/sim.rs
index 7e29c4b..d44ba61 100644
--- a/crates/windlass/examples/sim.rs
+++ b/crates/windlass/examples/sim.rs
@@ -27,7 +27,7 @@ async fn main() {
 
     let mut connection = Connection::default();
     // hack to let the mcu initialise
-    sleep(Duration::from_secs_f32(0.1)).await;
+    sleep(Duration::from_secs_f32(0.5)).await;
 
     let mut mcu_conn = OpenOptions::new()
         .read(true)