STC3100IQT by STMicroelectronics Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。STC3100IQT Price reference $ 1.121850。STC3100IQT - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information STC3100IQT Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial