[{"title":"( 2 个子文件 16KB ) STM32F407VGT6原理图和PCB库","children":[{"title":"STM32F407VGT6","children":[{"title":"STM32F407VGT6.SchLib <span style='color:#111;'> 17.50KB </span>","children":null,"spread":false},{"title":"STM32F407VGT6.PcbLib <span style='color:#111;'> 108.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]