USB2.0 To TTL 6Pin CH340G Converter
Built-in USB to TTL Transfer chip.
Designed to be used for USB to TTL electronic projects.
TTL interface output, easy to connect to your MCU.
Dual 3.3V and 5V Power output, work with 3.3v and 5v target device.
The mini module is designed specifically for STC download and ARDUINO PRO, supports all series of STC microcomputer with cold start reset button
Supports WIN8/WIN7/VISTA/MAC/LINUX(32 bit /64 bit system)
USB to TTL conversion board used for STC microcontroller download DVD/ hard disk / router /GPS upgrade
For STC Download: SCM must be a minimum system and external crystal oscillator
Note: USB to Serial port can use the version above STC-ISPV3.94 to download the old version of STC microcontroller, as STC89C and STC12C series

Features:

Compatible with 32-bit & 64-bit Windows, Mac OS 8 to OS X, Linux and Android!

To test the unit use the shunt to connect TX and RX (loopback test)

3.3V and 5.0V outputs are available to power your project directly from the adapter

Driver:
http://www.arduined.eu/ch340g-converter-windows-7-driver-download
http://www.drivermax.com/driver/update/Ports/wch.cn/USB-SERIAL-CH340
http://catalog.update.microsoft.com/v7/site/Install.aspx?updateid=be9c8169-b12b-475f-81b8-3d3e69181e8c&referringpage=ScopedView.aspx