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)