![How to add or increase Serial Ports for NodeMCU using ESP Software Serial Library. – A blog about DIY solar and arduino projects How to add or increase Serial Ports for NodeMCU using ESP Software Serial Library. – A blog about DIY solar and arduino projects](https://i2.wp.com/solarduino.com/wp-content/uploads/2019/12/protocol.png?resize=792%2C538&ssl=1)
How to add or increase Serial Ports for NodeMCU using ESP Software Serial Library. – A blog about DIY solar and arduino projects
![Schematic installation. 2.1.1. Arduino Mega 2560. Arduino Mega 2560... | Download Scientific Diagram Schematic installation. 2.1.1. Arduino Mega 2560. Arduino Mega 2560... | Download Scientific Diagram](https://www.researchgate.net/publication/326348558/figure/fig1/AS:647545583841282@1531398306730/Schematic-installation-211-Arduino-Mega-2560-Arduino-Mega-2560-microcontroller-is-a.png)
Schematic installation. 2.1.1. Arduino Mega 2560. Arduino Mega 2560... | Download Scientific Diagram
![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
![How to use Software Serial and Hardware Serial with Arduino Mega - Programming Questions - Arduino Forum How to use Software Serial and Hardware Serial with Arduino Mega - Programming Questions - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/c/2/9/c29559c489ef6a736a307f506b24d285b7a1ae1d.webp)