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凤凰网
17 天
消防回应徐州一饭馆发生爆炸:有出警,伤亡暂不清楚
10月4日,有网友称,徐州一饭馆发生煤气罐爆炸事故,现场有多人受伤。 据多段网传视频显示,在一临街道路边聚满了行人,一旁不时有身着医护或 ...
EDN电子技术设计
28 天
高分辨率PWM速度问题怎么解决?这个方法简单又便宜
该电路仅靠从单个5V电源轨吸取的几mA电流运行,同时还集成了相当不错的电压基准,而且它还很便宜。wQJednc 图1:PWM最高有效字节(msbyte)与Dpot最低有效字节(lsbyte)结合,提供16位分辨率、单调性和线性。wQJednc 输入的3至5v逻辑、8位分辨率PWM经R5C7和高速AC反相器U1 ...
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