/diy/ - Do It Yourself

Anonymous Wed Apr 15 19:06:47 2015 No.799467 [View]
File: 8 KB, 673x360, actrelay.gif [View same] [iqdb] [saucenao] [google]

>>799451
ok so i have my optoisolater made and working and i'm using a version of this circuit (light activated one) without the relay of course, and only one resistor between base and emitter.

Anonymous Mon Apr 13 13:17:41 2015 No.798387 [View]
File: 8 KB, 673x360, actrelay.gif [View same] [iqdb] [saucenao] [google]

>>798328

actually this would be a really easy first project you should build it

you really don't need a comparator or anything that fancy a transistor and a few resistors will do.

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/diy/ - Do It Yourself

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