BLE112-E-V1 by Silicon Labs Design and production,in Shenzhen BaiWon Electronics Co., Ltd. Spot sales,And can pass Shenzhen BaiWon Electronics Co., Ltd. Purchasing。BLE112-E-V1 Price reference $ 8.716288。BLE112-E-V1 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information BLE112-E-V1 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial