![ESP8266 Serial Connection with Arduino Mega not working using SoftwareSerial - Networking, Protocols, and Devices - Arduino Forum ESP8266 Serial Connection with Arduino Mega not working using SoftwareSerial - Networking, Protocols, and Devices - Arduino Forum](https://europe1.discourse-cdn.com/arduino/optimized/4X/0/b/1/0b1ab6f7e1cb8ff3c7d3781392e595696ac2fec7_2_690x446.png)
ESP8266 Serial Connection with Arduino Mega not working using SoftwareSerial - Networking, Protocols, and Devices - Arduino Forum
![Serial communication from Arduino to ESP8266 NodeMCU works, but from NodeMCU to Arduino isn't working - Arduino Stack Exchange Serial communication from Arduino to ESP8266 NodeMCU works, but from NodeMCU to Arduino isn't working - Arduino Stack Exchange](https://i.stack.imgur.com/uD6hR.png)
Serial communication from Arduino to ESP8266 NodeMCU works, but from NodeMCU to Arduino isn't working - Arduino Stack Exchange
![Fully Explained]--Multiple Data--Serial Communication between Arduino and NodeMCU (ESP8266) - YouTube Fully Explained]--Multiple Data--Serial Communication between Arduino and NodeMCU (ESP8266) - YouTube](https://i.ytimg.com/vi/IS7kpna9-sg/maxresdefault.jpg)