搜索 - 科创

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在修电脑的地方买了俩刻录光驱，本来想直接用上面的激光头的，结果一个是坏的，还有一个在测试的时候万用表笔插到20A的孔去了，表是拨到200ma的档位，THEN一上电觉得电流太小了就一直升电压，估计当时脑...

之前发过一个使用USB声卡芯片来采集信号的SDR，但是控制频率只能手动旋转编码器，而且这样在软件上读频率很麻烦。当时考虑使用声卡芯片本身的IO口来控制频率。但是厂商给的资料很少，不好实现。前段...

昨天路过买元件的JS店，问了一下有无SG3525……JS很高兴的对打下手的说，有，来找找……于是看着那个家伙拿出一片TDA功放，问：TDA3525……囧了…… 6块钱，比玩具好玩点…… 开工的时候找不...

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