51单片机 矩阵键盘计算器

[{"title":"（ 12 个子文件 553KB ） 51单片机 矩阵键盘计算器","children":[{"title":"计算器","children":[{"title":"原理图","children":[{"title":"PCB_Project1.PrjPCB <span style='color:#111;'> 29.78KB </span>","children":null,"spread":false},{"title":"Sheet1.SchDoc <span style='color:#111;'> 181.00KB </span>","children":null,"spread":false},{"title":"PCB1.PcbDoc <span style='color:#111;'> 682.50KB </span>","children":null,"spread":false}],"spread":true},{"title":"源代码","children":[{"title":"calc.uvproj <span style='color:#111;'> 13.75KB </span>","children":null,"spread":false},{"title":"1602.h <span style='color:#111;'> 291B </span>","children":null,"spread":false},{"title":"main.c <span style='color:#111;'> 519B </span>","children":null,"spread":false},{"title":"calc.hex <span style='color:#111;'> 10.86KB </span>","children":null,"spread":false},{"title":"1602.c <span style='color:#111;'> 452B </span>","children":null,"spread":false},{"title":"main.h <span style='color:#111;'> 66B </span>","children":null,"spread":false},{"title":"keyboard.c <span style='color:#111;'> 5.79KB </span>","children":null,"spread":false},{"title":"keilkill.bat <span style='color:#111;'> 399B </span>","children":null,"spread":false},{"title":"keyboard.h <span style='color:#111;'> 356B </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]