A7D-2PA by OMRON Design and production,in Shenzhen PlusLink Electronics Co., Ltd. Spot sales,And can pass Shenzhen PlusLink Electronics Co., Ltd. Purchasing。A7D-2PA Price reference $ 0.924800。A7D-2PA - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information A7D-2PA Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial