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"CodeBus" is the largest source code store in internet, now total codes/documents: 3000000+, total file size: 5000GB+
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"CodeBus" is the largest source code store in internet, now total codes/documents: 3000000+, total file size: 5000GB+
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The way to get coins for free is to other members download the you uploaded , and your account will increase coins.
Immediately upload various types of popular source code and related information, the more the better, the greater the chance of being searched! The more you upload files in the morning, the earlier you get coins. The more times you download, the more coins you get.
Immediately upload various types of popular source code and related information, the more the better, the greater the chance of being searched! The more you upload files in the morning, the earlier you get coins. The more times you download, the more coins you get.
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- 【Other resource】十字路口交通灯管理现对交通信号灯进行管理，车行道的黄灯闪烁5秒钟后，转为人行横道行人放行1分钟，然后再转为车行道车辆放行3分钟。如此循环重复。 用发光二极管模拟信号灯，8255A实现对信号灯的控制（所用端口自定），8253的计数器2定时向实验系统主片8259A的IRQ7请求中断，以实现3分钟，5秒钟和1分钟的定时。 实验系统8253计数器2的CLK2可接OPCLK，频率为1.19318MHZ，GATE2已接＋5V，定时可采用软硬件结合相
Update : 2008-10-13 | Size : 43274