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-rw-r--r--config/sample-lcd.cfg21
1 files changed, 21 insertions, 0 deletions
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.