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Connecting to USB serial port on my Leonardo - #23 by system - Interfacing w/ Software on the Computer - Arduino Forum
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How to Install, Troubleshoot and Fix COM Port Drivers for Arduino Boards - FTDI and CH340 Series - YouTube
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Attaching USB Host Shield to an Arduino UNO to send data to the cloud via an ESP8266 - element14 Community
![I brought this board from Amazon.It blinks when I plug into my laptop.But I couldn't work with it. It shows as "USB 2.0-Ser!" in the device manager. And I couldn't update drivers I brought this board from Amazon.It blinks when I plug into my laptop.But I couldn't work with it. It shows as "USB 2.0-Ser!" in the device manager. And I couldn't update drivers](https://preview.redd.it/u7goehyu4dt71.jpg?width=640&crop=smart&auto=webp&s=f916a7efc64e67375851b62dc9d69e4b0ef5417e)
I brought this board from Amazon.It blinks when I plug into my laptop.But I couldn't work with it. It shows as "USB 2.0-Ser!" in the device manager. And I couldn't update drivers
![Amazon.com: 10Gtek# USB to ESP8266 ESP-01 Serial Adapter, USB to TTL Driver Serial Compatible with Arduino, Pack of 2 : Electronics Amazon.com: 10Gtek# USB to ESP8266 ESP-01 Serial Adapter, USB to TTL Driver Serial Compatible with Arduino, Pack of 2 : Electronics](https://images-na.ssl-images-amazon.com/images/I/61-t0jDP9mL._AC_UL210_SR210,210_.jpg)