diff --git a/test_LED2/src/bin/main.rs b/test_LED2/src/bin/main.rs
index fa234cc..0d1c8b5 100644
--- a/test_LED2/src/bin/main.rs
+++ b/test_LED2/src/bin/main.rs
@@ -8,9 +8,9 @@
 use embassy_executor::Spawner;
 use embassy_time::{Duration, Timer};
 use esp_backtrace as _;
+use esp_hal::gpio::{Output, Level, OutputConfig};
 use esp_hal::clock::CpuClock;
 use esp_hal::timer::timg::TimerGroup;
-use esp_hal::peripherals;
 use log::info;
 
 extern crate alloc;
@@ -21,7 +21,6 @@ esp_bootloader_esp_idf::esp_app_desc!();
 
 #[esp_hal_embassy::main]
 async fn main(spawner: Spawner) {
-    // generator version: 0.5.0
     esp_println::logger::init_logger_from_env();
     
     let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
@@ -31,9 +30,18 @@ async fn main(spawner: Spawner) {
     
     let timer0 = TimerGroup::new(peripherals.TIMG1);
     esp_hal_embassy::init(timer0.timer0);
+
+    // Initialize GPIO4 as output (starts LOW)
+    let mut gpio4 = Output::new(peripherals.GPIO4, Level::Low, OutputConfig::default());
     
     info!("Embassy initialized!");
     loop {
+        gpio4.set_high();
+        info!("GPIO4 ON");
+        Timer::after(Duration::from_secs(1)).await;
+
+        gpio4.set_low();
+        info!("GPIO4 OFF");
         Timer::after(Duration::from_secs(1)).await;
     }