From 278179fa6ef1b179624fda979eb8772586db002c Mon Sep 17 00:00:00 2001
From: Dominik Bartsch <bartschdo76253@th-nuernberg.de>
Date: Mon, 5 Jul 2021 10:00:21 +0200
Subject: [PATCH] doku issues

---
 doku.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doku.md b/doku.md
index b53daab..d533679 100644
--- a/doku.md
+++ b/doku.md
@@ -56,6 +56,9 @@ else
 
 ### HW issues
 - GPIO2 used as input -> must be high during startup
+- PCB Solution: cut trace to GPIO2, solder bridge to GPIO16
+- -> disadvantage: GPIO16 is not interrupt capable
+
 
 ### FSM 2 - to do
 - stairway light switches off after timeout