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config: Add a description of the EXP1/EXP2 pin locations to sample-lcd.cfg 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-09-01 12:49:28 -04:00
parent e47fa04a6f
commit 1e3f6125fb
1 changed files with 21 additions and 0 deletions
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21
config/sample-lcd.cfg
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@ -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.