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作者 wisdom 在 PTT [ Electronics ] 看板的留言(推文), 共118則
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1F→:調光器? pwm原理?06/27 18:52
5F→:只是要簡易pwm控制不必上MCU啦,555就可以輸出PWM訊號了06/05 20:17
9F→:要看薄片材質,銅的話很好焊,鋁基本上不吃錫06/02 12:35
1F→:3顆Relay可以完成無段開關05/13 23:45
1F→:PWM電路?04/20 19:28
2F→:你這電路不必用到MCU,一顆555產生脈衝,再用BJT當輸出級04/20 19:28
8F→:從你的圖上看來,你有一個低電壓的訊號,希望產生高電壓輸04/21 13:46
9F→:出。這的確是放大器啊.. 連555都免了。bjt即可04/21 13:47
2F→:照片很重要的話就去找專用傳輸線吧04/05 03:31
7F→:經驗值 1A配1000uF電容03/03 21:35
2F→:用一顆的NC跟NO接點控制方向,不會短路01/30 21:47
2F→:ENCODER訊號線有隔離嗎?是否有確實接地?01/31 23:03
4F→:電流不夠的話就用電晶體緩衝11/30 19:02