L9779WD-SPI by STMicroelectronics Design and production,in TanJiayuan Electronics Spot sales,And can pass TanJiayuan Electronics Purchasing。L9779WD-SPI Price reference ¥ 115.464485。L9779WD-SPI - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information L9779WD-SPI Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial