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想要在12864 液晶上显示出被测波形,AD 采样后需要DA 么,求个解决方法?
首先搞清楚你要干什么。你是要出来模拟信号还是显示在液晶屏上?
你该不会是想做跟示波器那样的效果吧?那个交流电的你怎么计算?
为万能的TI顶一下贴。
这问题有点那啥