搜索 - 科创

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重结晶比冲高20%我这个星期在树上爬了一圈，可是什么都没有……能吃的都被hx掉了。我只好发动战争，用了不少NC，终于搞到一碗饭。幸亏我是warmonkey，否则就饿死了……

电路很简单，单片机是ATmega128，接显示屏键盘等等。GPS模块接uart0。刚刚发现键盘对接收信号有影响，这下子有麻烦了。考虑把GPS模块放在扬声器下面，同时显示屏向下移动

harding 发表于 2014-2-10 13:21 用分立原件作出一个比集成运放性能更好的比较难。因为运放的指标，除了放大，还有一个对称的要求。集成运放 ... 我都没用过分立，向来用运放。

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