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電氣工程師
武漢電氣工程師，請掃描二維碼加QQ：836284784
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樓主  發(fā)表于: 2016-10-09 10:57
圖片：
工控人幫忙看看，用單片機驅動(dòng)24V繼電器，帶光耦隔離，其中R3，R4，R5 選取怎樣的阻值，才能使三極管穩定工作不發(fā)熱，繼電器能很好的開(kāi)關(guān)？三極管選取什么樣的型號呢？
testfish
9554665@qq.com
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1樓  發(fā)表于: 2016-10-09 23:24
圖騰柱 不知道行嗎？驅動(dòng)過(guò)mos管
testfish
9554665@qq.com
級別: 工控俠客
精華主題: 0
發(fā)帖數量: 302 個(gè)
工控威望: 2650 點(diǎn)
下載積分: 14779 分
在線(xiàn)時(shí)間: 607(小時(shí))
注冊時(shí)間: 2014-09-10
最后登錄: 2025-06-09
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2樓  發(fā)表于: 2016-10-09 23:33
圖片：
以前單片機用的驅動(dòng)繼電器圖

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