可以做廚房提醒器，增加聲音功能，多設(shè)幾個時間段，這樣方便設(shè)定，謝謝分享！

編譯出現(xiàn)這些錯誤，怎么解決？

Build target 'Target 1'
linking...
*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  Q0
    MODULE:  .\Objects\100分鐘定時器.obj (100__________)
*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  _DCX
    MODULE:  .\Objects\100分鐘定時器.obj (100__________)
*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  _CC
    MODULE:  .\Objects\100分鐘定時器.obj (100__________)
*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  _XCX
    MODULE:  .\Objects\100分鐘定時器.obj (100__________)
*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _CC
    MODULE:  .\Objects\100分鐘定時器.obj (100__________)
    ADDRESS: 0222H
*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _XCX
    MODULE:  .\Objects\100分鐘定時器.obj (100__________)
    ADDRESS: 022BH
*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _XCX
    MODULE:  .\Objects\100分鐘定時器.obj (100__________)
    ADDRESS: 0234H
*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _XCX
    MODULE:  .\Objects\100分鐘定時器.obj (100__________)
    ADDRESS: 023DH
*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _XCX
    MODULE:  .\Objects\100分鐘定時器.obj (100__________)
    ADDRESS: 0246H
*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  Q0
    MODULE:  .\Objects\100分鐘定時器.obj (100__________)
    ADDRESS: 0249H
*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _DCX
    MODULE:  .\Objects\100分鐘定時器.obj (100__________)
    ADDRESS: 04F7H
*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _DCX
    MODULE:  .\Objects\100分鐘定時器.obj (100__________)
    ADDRESS: 0503H
*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _DCX
    MODULE:  .\Objects\100分鐘定時器.obj (100__________)
    ADDRESS: 050FH
*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _DCX
    MODULE:  .\Objects\100分鐘定時器.obj (100__________)
    ADDRESS: 051BH
Program Size: data=59.1 xdata=0 code=1632
".\Objects\tiaosu" - 0 Error(s), 14 Warning(s).
Build Time Elapsed:  00:00:00

這就是全部代碼

我想用現(xiàn)有的KR-51開發(fā)板來運行樓主的程序，是否將設(shè)置的按鈕和數(shù)碼管的相應(yīng)語句改為和自己板子相同的硬件接法相符就行了？

P0口沒有上拉嗎，而且你這樣單純靠的是IO口的驅(qū)動能力來點亮，數(shù)碼管多一點可能就驅(qū)動不了了。而且數(shù)碼管最好加分壓電阻。可以使用共陽極數(shù)碼管，使用IO灌電流驅(qū)動。或者加375鎖存器或245之類的芯片增加驅(qū)動能力。簡單的幾個小建議，不一定對。只是覺得你這個電路現(xiàn)在是可以使用的，但是當(dāng)你驅(qū)動大一點的負(fù)載你就會發(fā)現(xiàn)同樣的電路不能使用了，就是IO驅(qū)動能力限制的。