From 2c1c7f472effbe1016c16fc54375834ef4bd4452 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 27 Nov 2022 16:09:39 -0500
Subject: [PATCH] typo

---
 cubesatsim/cubesatsim.ino | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index b3b1f53b..3e9b6c04 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -3013,7 +3013,7 @@ void blink(int length)
   
   sleep(length/1000.0); // delay(length);              // wait for a lenth of time
 
-  digitalWrite(ED_BUILTIN, LOW);   // set the built-in LED off
+  digitalWrite(LED_BUILTIN, LOW);   // set the built-in LED off
 }
 
 void led_set(int ledPin, bool state)