From 1a77e2c28595367169f80cacaa88076c380a2133 Mon Sep 17 00:00:00 2001
From: Jeff Moe <moe@spacecruft.org>
Date: Sat, 25 Mar 2023 12:28:03 -0600
Subject: [PATCH] Ground pin is 9 not 7 on Pi

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index fa3b5d9..87b6b97 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ Pin 	Color	Use	ArduinoPin	Raspberry Pi 4 B Pin
 3	White	Left	D0		 3 GPIO2 (Orange)
 4	Blue	Up	D2		 8 GPIO14
 5	Brown	Down	D1		 5 GPIO3
-6	Red	GND	GND under ICSP	 7 GND
+6	Red	GND	GND under ICSP	 7 GND XXX 9?
 7	Yellow	Speed	? PWM		12 GPIO18
 ```
 
@@ -75,7 +75,7 @@ PIN	Color	Use	Raspberry Pi 4 B Pin
 3	Brown	Left	 3 GPIO2
 4	Yellow	Up	 8 GPIO14
 5	Red	Down	 5 GPIO3
-6	Blue	GND	 7 GND
+6	Blue	GND	 9 GND
 7	Black	Speed	12 GPIO18
 ```