[{"title":"( 3 个子文件 60KB ) 基于LM2596的12V转5V,3A的电路PCB及原理图zip","children":[{"title":"PCBѧϰ","children":[{"title":"AD","children":[{"title":"LM2596.SchDoc <span style='color:#111;'> 45.50KB </span>","children":null,"spread":false},{"title":"LM2596.PcbDoc <span style='color:#111;'> 298.50KB </span>","children":null,"spread":false},{"title":"PCB_Project1.PrjPCB <span style='color:#111;'> 31.92KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]