FT231XS-R by FTDI Design and production,in Shenzhen Lixing Microelectronics Co., Ltd. Spot sales,And can pass Shenzhen Lixing Microelectronics Co., Ltd. Purchasing。FT231XS-R Price reference ¥ 18.023500。FT231XS-R - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information FT231XS-R Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial