From 79398af30a355c1407ccd953373259721d7484a8 Mon Sep 17 00:00:00 2001 From: rusefi Date: Mon, 9 Oct 2017 07:46:50 -0400 Subject: [PATCH] docs --- firmware/controllers/math/pid_auto_tune.h | 1 + 1 file changed, 1 insertion(+) diff --git a/firmware/controllers/math/pid_auto_tune.h b/firmware/controllers/math/pid_auto_tune.h index 535dd14011..3e3f324c9c 100644 --- a/firmware/controllers/math/pid_auto_tune.h +++ b/firmware/controllers/math/pid_auto_tune.h @@ -2,6 +2,7 @@ * pid_auto_tune.h * * http://brettbeauregard.com/blog/2012/01/arduino-pid-autotune-library/ + * https://www.ripublication.com/ijeer17/ijeerv9n6_02.pdf * * * Created on: Sep 13, 2017