搜索 - 科创

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引用第38楼drc于2012-01-29 19:58发表的 :我们都是赢在起点,输掉终点我们国家教育上的学分制度扼杀了整个民族这是伟大的儒家科举制的继承发扬。。。是5000年华夏文明的精华的伟大复...

呵呵，比如说，74hc14，原本应该1脚进2脚出，但为了布线方便，可以13进12出的哦。。。于是就会发现7414里面有6个门哦。。。举个简单的例子而已，要不是当初自己焊，还以为DR4要用6个74HC1...

彩虹之巅发表于 2014-1-25 02:46 1、GPS定位可以从淘宝上买现成的车载GPS。一百多块钱。 2-4、6 可以用adruino来实现 5、摄像机最好是选高 ...arduino 有没有...

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