搜索 - 科创

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那天没事。。。随便翻翻正好翻见上次捡来的两片51~~好像是抢答器的~~~还带了电路板于是就想让它干活吧。。。。。电子钟/万年历 8位数码管可以切换时钟部份的排列是:星期 ...

同款机器拍摄效果：https://www.kechuang.org/t/70070前段时间捡了个该机器的尸体，经检测该机无法产生射线，控制板能正常输出逆变信号，球管灯丝正常工作，但初级绕组交流阻抗特别...

刚刚拆开看了，太复杂，显示那里用了89C51，不会弄，为了不彻底搞坏，还是不修了吧。其实频率可以用示波器看的，只是亏了频率计功能了。里面还是崭新的，一点灰尘都没有。

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