From dbfc10a35825c46b297c24033320f793a5eb4115 Mon Sep 17 00:00:00 2001
From: Michael Wesemann <mike@pstbx.org>
Date: Fri, 4 Oct 2019 16:58:40 +0200
Subject: [PATCH] -

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

diff --git a/README.md b/README.md
index 0c2fce9..bb1ba7b 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ V2 supports dual voltage for the fans which increases the speed range.
 
 In order to put the stirrer into operation you have to change the settings in stir.ino according to your setup (see below).
 
+The stir V2 software is compatible with V1 hardware if you have used neither the RS232 Api nor the OFF0/1.
 
 ## Part List