10pcs CH340 3.3V/5.5V USB To TTL Converter Module CH340G STCDownload Module Upgrade Small Board Brush Board USB To Ser

Features 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 Status LED Dual 3 3V and 5V Power output work with 3 3v and 5v target device Size 55mm x 16mmServer 2008 Win7 Win8 32 bits 64 bits1 Support WINDOWS 98 ME 2000 XP Server 2003 VISTA 2 3 V3 and 5V by a short circuit risk selection 3 Not only has the power light PWR there TXD and RXD indicator whether the product is easy to learn and intuitive to work in the absence of the instrument in the case 4 High quality high grade yellow pin pin durable than the black market beautiful 5 New original CH340G chips the chips are recommended STC official USB to TTL chips will not appear due to different driver different computer as a result of incompatibilities CH340 module USB switch TTL USB transfer RS232 over PL2303 STC downloader 9 Brush board STC official download chip Perfectly compatible with all Series MCU STC will not be because of the different drivers that would lead to problems like PL2303 can not download the program Ultra stable Package include 10 x CH340 USB to TTL module