From 2d6b44152a73a21186470a7840d91a6c8827556e Mon Sep 17 00:00:00 2001 From: Kevin O'Connor Date: Wed, 9 Dec 2020 13:22:40 -0500 Subject: bltouch: Recommend using a pullup on the sensor_pin Signed-off-by: Kevin O'Connor --- docs/Config_Reference.md | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'docs/Config_Reference.md') diff --git a/docs/Config_Reference.md b/docs/Config_Reference.md index d7dc8290..3c1f4017 100644 --- a/docs/Config_Reference.md +++ b/docs/Config_Reference.md @@ -1552,8 +1552,9 @@ section for the details). ``` [bltouch] sensor_pin: -# Pin connected to the BLTouch sensor pin. This parameter must be -# provided. +# Pin connected to the BLTouch sensor pin. Most BLTouch devices +# require a pullup on the sensor pin (prefix the pin name with "^"). +# This parameter must be provided. control_pin: # Pin connected to the BLTouch control pin. This parameter must be # provided. -- cgit v1.2.3-70-g09d2