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  1. M

    how it works (the dark activated lamp)

    Hi to all.. Will someone explain to me the operation of this one? How does it trigger the SCR? and what is really the use of C1? Please let me understand the electronic flow of this project.. Thanxx. Here's the link = http://www.redcircuits.com/Page73.htm
  2. M

    Help please about the very simple power failure light project

    Ahmm. Thanx 4 your idea. I didnt know that it is a dangerous project. Is your circuit tested? If it is, I would try to build your circuit and use it rather than the other one. It would be better if you indicate the specs of the parts of your circuit. Thanx 4 your help, If there would be a...
  3. M

    Help please about the very simple power failure light project

    Hi, I am a student from Phillippines  and i have seen the project about the simple power failure light. One of the items is the capacitor right? Ahmm i'm just confuse about the specs of the capacitor. In your link http://www.electronics-lab.com/projects/motor_light/024/index.html they just...
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