LSM303DTR by ST Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。LSM303DTR Price reference $ 0。LSM303DTR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information LSM303DTR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial