I am doing my engineering degree. I want to make a project connecting multiple ESP8266 with a router and control multiple relay boards. I am unable to use ESP8266 12E with Arduino. I used this connection shown in the link below, but it didn't work. So please help me with the solution. I also referred to all possible posts, but it didn't help. Please help me as soon as possible.

Connection:

![](https://i.stack.imgur.com/9H6Wc.png)
post: [How to connect ESP8266 12e directly to Arduino Uno (without shields)](https://arduino.stackexchange.com/questions/26709/how-to-connect-esp8266-12e-directly-to-arduino-uno-without-shields)