diff --git a/License b/License
new file mode 100644
index 0000000..456c488
--- /dev/null
+++ b/License
@@ -0,0 +1,13 @@
+        DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE 
+                    Version 2, December 2004 
+
+ Copyright (C) 2004 Sam Hocevar <sam@hocevar.net> 
+
+ Everyone is permitted to copy and distribute verbatim or modified 
+ copies of this license document, and changing it is allowed as long 
+ as the name is changed. 
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE 
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
diff --git a/README.md b/README.md
index 5ecc888..2974d29 100644
--- a/README.md
+++ b/README.md
@@ -6,3 +6,9 @@ das python-skript legt man idealerweise in /usr/bin/
 das systemd-ding legt man am besten in /etc/systemd/system/
 
 mit den systemctl-befehlen muss man die "unit" dann noch starten.
+
+further reading / sources :
+https://linuxacademy.com/blog/geek/creating-an-irc-bot-with-python3/
+http://pi4j.com/pins/model-b-rev1.html
+http://razzpisampler.oreilly.com/ch07.html
+http://wiringpi.com/the-gpio-utility/