74HC192设计9S倒计时仿真电路（24秒也可以使用）+报告+PCB原理图

[{"title":"（ 18 个子文件 1.25MB ） 74HC192设计9S倒计时仿真电路（24秒也可以使用）+报告+PCB原理图","children":[{"title":"1","children":[{"title":"西南科技大学信息工程学院.docx <span style='color:#111;'> 444.09KB </span>","children":null,"spread":false},{"title":"9S","children":[{"title":"PCB1.PcbDoc <span style='color:#111;'> 999.00KB </span>","children":null,"spread":false},{"title":"__Previews","children":[{"title":"Sheet1.SchDocPreview <span style='color:#111;'> 67.59KB </span>","children":null,"spread":false}],"spread":true},{"title":"History","children":[{"title":"9S.~(2).PrjPcb.Zip <span style='color:#111;'> 4.57KB </span>","children":null,"spread":false},{"title":"PCB1.~(1).PcbDoc.Zip <span style='color:#111;'> 24.78KB </span>","children":null,"spread":false},{"title":"9S.~(1).PrjPcb.Zip <span style='color:#111;'> 4.38KB </span>","children":null,"spread":false}],"spread":true},{"title":"Project Logs for 9S","children":[{"title":"Sheet1 SCH ECO 2023-11-10 17-37-57.LOG <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"Sheet1 SCH ECO 2023-11-10 17-38-35.LOG <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"Sheet1 SCH ECO 2023-11-10 17-35-31.LOG <span style='color:#111;'> 1.10KB </span>","children":null,"spread":false},{"title":"Sheet1 SCH ECO 2023-11-10 17-39-44.LOG <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"PCB1 PCB ECO 2023-11-10 17-40-44.LOG <span style='color:#111;'> 31.70KB </span>","children":null,"spread":false},{"title":"Sheet1 SCH ECO 2023-11-10 17-36-57.LOG <span style='color:#111;'> 0B </span>","children":null,"spread":false}],"spread":true},{"title":"Sheet1.SchDoc <span style='color:#111;'> 144.50KB </span>","children":null,"spread":false},{"title":"Project Outputs for 9S","children":[{"title":"Design Rule Check - PCB1.html <span style='color:#111;'> 173.32KB </span>","children":null,"spread":false},{"title":"Design Rule Check - PCB1.drc <span style='color:#111;'> 47.07KB </span>","children":null,"spread":false}],"spread":true},{"title":"9S.PrjPcb <span style='color:#111;'> 34.90KB </span>","children":null,"spread":false},{"title":"Schlib1.SchLib <span style='color:#111;'> 7.50KB </span>","children":null,"spread":false}],"spread":true},{"title":"1.ms14 <span style='color:#111;'> 157.76KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]