diff --git a/pinbelegung.txt b/pinbelegung.txt
new file mode 100644
index 0000000..77e5a98
--- /dev/null
+++ b/pinbelegung.txt
@@ -0,0 +1,17 @@
+Serial - ESP
+
+GND - GND
+5V - 5V
+TX - D1
+RX - D2
+
+MC14050 - 
+1 - LM7805(Out)
+2 - Widerstand - LED Data
+3 - D7
+8 - GND
+
+ESP - 
+5V - LM7805(Out)
+GND - LM7805(GND)
+In - LED(12V)