VIPER100-E by STMicroelectronics Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。VIPER100-E Price reference $ 2.345000。VIPER100-E - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information VIPER100-E Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial