DRV8821DCAR by Texas Instruments(TI) Design and production,in Shenzhen Nanyuxin Electronics Co., Ltd. Spot sales,And can pass Shenzhen Nanyuxin Electronics Co., Ltd. Purchasing。DRV8821DCAR Price reference $ 2.184207。DRV8821DCAR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information DRV8821DCAR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial