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/diy/ - Do It Yourself

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>> No.1168421 [View]
File: 27 KB, 1312x884, simpler limit switch.png [View same] [iqdb] [saucenao] [google]
1168421

>>1168402
This guy again. Pic related is the simplest and most reliable way to do what you want to do. If you absolutely 1000% *require* that a laser is somehow installed, I'll draw up another circuit for you, but I really think that this is all you need.

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