Long Range Timer Relay circuit 发布人:dolphin 时间:2011-07-18 加入技术交流群 扫码加入和技术大咖面对面交流海量资料库查询 收藏 FIG.11:Show a long-range timer relay switching circuit which spans 1minute to 20 hours in three ranges using a three-step,two-deck mechanical rotary switch.
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