搜索 - 科创

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本帖最后由 justinpiggy 于 2014-9-6 17:57 编辑这东西怎么说呢？首先价格较贵，比Arduino那是贵多了，性能是杠杠的，那两片SDRAM不好好利用真的是对不起它了。Ra...

呵呵，我也自已设计了个GUI库用纯C实现，可在不支持堆的系统上运行因为我没看到楼主关于GUI对象/组件的数据结构(结构体) 所以很多地方不好说但就函数名(API) 定义来说还是有些建议uint16 ...

我是这样理解的：1、LZ所说的U与I相位差90°，其中U是指电容器两极板上的电压，而非供电电压。2、因此，即使是DRSSTC中，LC串联谐振时，L、C仍然构成振荡回路，U与I的相位仍然相差90°。因为...

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