diff --git a/arduino/src/buttons.rs b/arduino/src/buttons.rs
index 0057352..c6ccdba 100644
--- a/arduino/src/buttons.rs
+++ b/arduino/src/buttons.rs
@@ -6,7 +6,6 @@ use arduino_hal::{
     },
 };
 
-pub const BUTTON_COUNT: usize = 8;
 // pub const DEBOUNCE_DELAY: u64 = 50;
 
 pub struct Button {
diff --git a/arduino/src/main.rs b/arduino/src/main.rs
index 0e2d7b0..f022987 100644
--- a/arduino/src/main.rs
+++ b/arduino/src/main.rs
@@ -5,8 +5,8 @@ mod buttons;
 
 use core::panic::PanicInfo;
 
-use arduino_hal::{default_serial, delay_ms, pins, Peripherals};
-use buttons::{Button, BUTTON_COUNT};
+use arduino_hal::{default_serial, pins, Peripherals};
+use buttons::Button;
 
 const MESSAGE_START: char = '<';
 const MESSAGE_END: char = '>';
@@ -24,12 +24,9 @@ fn panic(_info: &PanicInfo) -> ! {
     let dp = unsafe { Peripherals::steal() };
     let pins = pins!(dp);
 
-    let mut led = pins.d13.into_output();
+    pins.d13.into_output().set_high();
 
-    loop {
-        led.toggle();
-        delay_ms(500);
-    }
+    loop {}
 }
 
 #[arduino_hal::entry]
@@ -37,9 +34,9 @@ fn main() -> ! {
     let dp = Peripherals::take().unwrap();
     let pins = pins!(dp);
 
-    pins.d13.into_output().set_high();
+    pins.d13.into_output().set_low();
 
-    let mut buttons: [Button; BUTTON_COUNT] = [
+    let mut buttons = [
         Button::new(1, pins.d5.into_pull_up_input().downgrade()),
         Button::new(2, pins.d6.into_pull_up_input().downgrade()),
         Button::new(3, pins.d7.into_pull_up_input().downgrade()),