US-N300 by Panasonic Semiconductor Design and production,in Shenzhen Jingchuanglian Electronic Technology Co., Ltd. Spot sales,And can pass Shenzhen Jingchuanglian Electronic Technology Co., Ltd. Purchasing。US-N300 Price reference ¥ 0.00。US-N300 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information US-N300 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial