TWR-K21D50M by NXP Semiconductors Design and production,in GUI XIN Group (Hong Kong) Limited Spot sales,And can pass GUI XIN Group (Hong Kong) Limited Purchasing。TWR-K21D50M Price reference $ 274.872000。TWR-K21D50M - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TWR-K21D50M Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial