From 1d37e0053024258fa51b19c455817a1e4c5fc58e Mon Sep 17 00:00:00 2001
From: CrazyRedMachine <36906596+CrazyRedMachine@users.noreply.github.com>
Date: Fri, 3 Mar 2023 08:58:45 +0100
Subject: [PATCH] Update README.md

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index d343cbe..24acc27 100644
--- a/README.md
+++ b/README.md
@@ -53,6 +53,7 @@ Pop'n Music and IIDX controller modes are auto detected (you must plug the PSX c
 ## Building Instructions
 
 - Download Arduino IDE, 
+- Install greiman's DigitalIO library from library manager
 - Build and Flash for your ATMEGA32U4 Board
 - Have Fun