From 1e3f6125fb3b910de8c75f7aca8c2f176cfcbf47 Mon Sep 17 00:00:00 2001 From: Kevin O'Connor Date: Sun, 1 Sep 2019 12:49:28 -0400 Subject: [PATCH] config: Add a description of the EXP1/EXP2 pin locations to sample-lcd.cfg Signed-off-by: Kevin O'Connor --- config/sample-lcd.cfg | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/config/sample-lcd.cfg b/config/sample-lcd.cfg index f84856ba..5b35b9c1 100644 --- a/config/sample-lcd.cfg +++ b/config/sample-lcd.cfg @@ -120,3 +120,24 @@ color_order_GRB: False initial_RED: 0.4 initial_GREEN: 0.4 initial_BLUE: 0.4 + + +###################################################################### +# Plug pin locations +###################################################################### + +# Some micro-controller boards and displays use inconsistent labeling +# for the EXP1 and EXP2 headers. The following diagram shows the +# correct location of pin 1 along with ground and power pins on the +# EXP1 and EXP2 plugs: +# +# EXP1: EXP2: +# +-----------------+ +-----------------+ +# | o o o o 5V | | o o o o o | +# | 1 o o o GND | | 1 o o o GND | +# +------ ------+ +------ ------+ +# +# Some boards may have the cutout in the wrong location. If so, it may +# be possible to carefully pry the plastic header off of the pins with +# a small screwdriver, then correct the orientation and reapply the +# plastic header.