[{"title":"( 2 个子文件 315KB ) 基于HY2640+MC20的定位共享单车智能锁pads设计资料 包含原理图及PCB文件","children":[{"title":"基于HY2640+MC20的定位共享单车智能锁pads设计资料 包含原理图及PCB文件","children":[{"title":"HY2640+MC20定位共享单车智能锁pads设计原理图+PCB文件","children":[{"title":"Bicycle lock V6.0.pcb <span style='color:#111;'> 1.15MB </span>","children":null,"spread":false},{"title":"Bicycle lock V6.0.sch <span style='color:#111;'> 264.18KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]