From 9b5359906355477e3d5a04e29a625dafe9dba3dc Mon Sep 17 00:00:00 2001
From: Jarno Lehtinen <lehtinen@sci.fi>
Date: Mon, 24 Oct 2016 10:35:35 +0300
Subject: [PATCH] Update README.md

---
 Keyboard_PS2/README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Keyboard_PS2/README.md b/Keyboard_PS2/README.md
index c5d1216..84cf7d6 100644
--- a/Keyboard_PS2/README.md
+++ b/Keyboard_PS2/README.md
@@ -4,6 +4,8 @@
 
 Needs Atmega32u4 (e.g. Arduino Leonardo).
 
+PS/2 is 5V.
+
 Needs custom ps2-library (PS2Keyboard_mcgurk.zip, unzip to libraries-folder).
 
 Clock-signal must be in pin 2 (because of interrupts).