简介 电压:9V 输出信号LED指示。 电位器调节灵敏度二级管反向保护~(防止电源接反了) 剩下的看二楼的视频吧!!! 配件表R147R2,4,81.5MR3,1347KR5,9,11100KR610KR7330KR10,12,1447DS1,2,3LEDD11N58 ...
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