From 54a754131b2f7393471aa6c2c6b0cd5325bf5f1c Mon Sep 17 00:00:00 2001
From: Jarno Lehtinen <lehtinen@sci.fi>
Date: Mon, 25 Sep 2017 19:02:46 +0300
Subject: [PATCH] Update README.md

---
 X-Arcade/README.md | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/X-Arcade/README.md b/X-Arcade/README.md
index 825af0f..57458bc 100644
--- a/X-Arcade/README.md
+++ b/X-Arcade/README.md
@@ -4,13 +4,22 @@
 ![X-Arcade](https://github.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter/raw/master/Images/x-arcade-dual-joystick.jpg)
 
 ```
-D9-connector -> Arduino
+D9-connector -> Arduino Pro Micro
 5 -> 3 (clk)
 6 -> 4 (data)
 1 -> Vcc (5V)
 2 -> Vcc (PS/2-mode)
 9 -> Vcc (5V)
 Shield -> GND
+
+Or
+
+PS/2 -> Arduino Pro Micro
+Data (green or blue) -> 3
+CLK (white or purple) -> 2
+5V (red) -> 5V
+GND (black) -> GND
+
 ```
 #### Library
 PS2KeyRaw