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  1. S

    Slayer Exciter

    Anyone heard of those? I haven't, until yesterday. I was looking an information on the net about another subject, and ended up to Youtube(as I often do). So, one video got my attention: http://www.youtube.com/watch?v=xiCgX_UgdoE I recommend to mute the sound(video soundtrack contains only...
  2. S

    An idea for a tachometer

    One day, I played with a motor, that I extracted from defunct hard drive. It has four leads, so plenty of choises. I just picked two, and attached them to multimeter(measuring frequency(Hz), while the motor's axle was attached to lathe's chuck. I managed to get the lathe to run, and...
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    Trojan warning: "United Parcel Service notification"

    Tomorrow I got that 'notification' in my email. It contains text: ------------------ Dear customer. The parcel was sent your home address. And it will arrive within 7 business day. More information and the tracking number are attached in document below. Thank you. © 1994-2011 United Parcel...
  4. S

    Replacing a Hall effect sensor with an optical one?

    Is that possible? Since certain Hall effect IC's are hard to find on some countries, including Finland. I'm aware of, that such replacement requires modification to an existing circuit(s). Not knowing too much of electronics theory side, is that feasible anyway, using an LED, or maybe a laser...
  5. S

    Hello from Finland

    I'm not entirely new to this forum, as I've been reading it quite often 8). So many interesting projects, that I had to do the registration. Who knows, maybe I can offer some hints and tips, to participate :).
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