CH340-UART

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This is a cheap alternative IC for the FTDI chip to provide UART over USB.

Manufacturer: WinChipHead


Datasheet:


USB information

Vendor ID: 1A86

Device ID: 7523

REV: 0254


Manufacturer information

Manufacturer: Jiangsu Nanjing QinHeng Electronics Co

Websites: http://www.wch-ic.com and http://www.wch.cn and http://www.winchiphead.com


Software/Drivers

Drivers: http://www.wch.cn/download/CH341SER_ZIP.html

Locally hosted driver for Windows 7: File:UART CH341 W7.ZIP


I had success with these drivers on a $3 (YES!) Arduino Nano clone board from China.

CH340 chip on Nano clone




Alternate links

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