[{"title":"(4个子文件7.22MB)CH340G3.3VUSB转串口ALTIUMAD设计原理图+PCB+3D封装库文件(可直接打板).zip","children":[{"title":"USB下载(CH340G+3.3V).PcbDoc <span style='color:#111;'>6.67MB</span>","children":null,"spread":false},{"title":"USB下载(CH340G+3.3V).PrjPcb <span style='color:#111;'>38.41KB</span>","children":null,"spread":false},{"title":"USB下载(CH340G+3.3V).SchDoc <span style='color:#111;'>76.00KB</span>","children":null,"spread":false},{"title":"USB下载(CH340G+3.3V).PcbLib <span style='color:#111;'>945.00KB</span>","children":null,"spread":false}],"spread":true}]