remove Sleep

flag.ahk

@@ -4,7 +4,6 @@ If !(A_Args[1])
 }
 msg := "http://RasPi.daily:8888/lights/" . A_Args[1]
 req := ComObjCreate("WinHttp.WinHttpRequest.5.1")
-req.Open("GET", msg, True)
+req.Open("GET", msg, False)		; Don't need the script to be responsive for anything else, its only doing this. This also makes sure that the request gets sent instead of exiting prematurely
 req.Send()
-Sleep, 50	; make sure the request actually gets sent before we exit
 Exit