FT231XQ-T by FTDI Chip Design and production,in Shenzhen HYLX Technology Ltd. Spot sales,And can pass Shenzhen HYLX Technology Ltd. Purchasing。FT231XQ-T Price reference $ 2.120000。FT231XQ-T - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information FT231XQ-T Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial