VIPER100 by STMicroelectronics Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。VIPER100 Price reference $ 4.240000。VIPER100 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information VIPER100 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial