From 0dc7b41c874e15a9822489ec0e2f77c053ccad99 Mon Sep 17 00:00:00 2001
From: fah <322496+fah@users.noreply.github.com>
Date: Mon, 20 May 2019 20:44:44 +0200
Subject: [PATCH] Clarification added.

---
 README.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index ccb7f1e..727d785 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,9 @@ This is the implementation of an idea I've seen in a [reddit](http://www.reddit.
 
 
 
-The example uses only 2 pins that have to be pressed in a certain order of 3 presses. After that an output will be activated (HIGH) for 1 second. 
+The example uses only 2 pins that have to be pressed in a certain order. Here it is pin 11, 13, 11  (to gnd). After that an output will be activated (HIGH) for 1 second. 
 If the process is interrupted for more then 5 seconds the sequence detector will be reset.
 
 This has been tested with an arduino UNO board. But it is a general solution that will work wit ESP8266 or ESP32 a.s.o.
+
+Extending to any available input ports or modify to use port extender should be very easy.