Add or increase Serial Ports for NodeMCU or ESP8266 using ESP Software Serial Library

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This video introduces ESP Software Serial Library to add or increase Serial Ports for NodeMCU or ESP8266 boards. Serial Ports are very important and is required to communicate with PC, micro controllers and devices with RS485 modbus communication. NodeMCU has only one physical built-in Serial Port which is not sufficient for more communication projects. For more information, kindly go to my blog page.

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Комментарии
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wonderful esp8266 software serial port info... it would be nice to have a video on this project using the esp32 which has 3 hardware serial ports. 🤔 thanks a lot.

qzorn
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Long time iam searching this for node mcu

targetsathees
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Please, I recently purchased ESP8266. Unfortunately the device driver could not install automatically with my version of window 7. After several attempts, I managed to install the drive from sparkfun. I have installed the esp8266 in my Arduino ide, the problem now is I am unable to upload a simple code inside the node MCU device. I always get error, port can't be opened "access denied". If I manage to open serial monitor on code view, I get the following error "port busy" what do I do please?

AugustineAriola