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  1. Xenobius1

    Strange Screening Problem

    Cool thanks a lot I had 2 problems. The gnd was not earthed as you said but also the power supply that I was using had just one diode to make ac into dc and thats was another problem. Thanks
  2. Xenobius1

    Strange Screening Problem

    Hello all, I have built this circuit http://www.electronics-lab.com/projects/sensors/008/ and it worked. However I have a problem. I am using a DC adaptor to give it 12v and so im not so sure if its pure dc. The problem is that, IF I touch the positive metal part of the power supply, the...
  3. Xenobius1

    Variable AC Dummy Load

    THANKS guys for your support I will check the links from home and let you know. Keep the discussion up. thanks
  4. Xenobius1

    Variable AC Dummy Load

    Ah no good for me because its only upto 200v and its for 400Hz :(
  5. Xenobius1

    Variable AC Dummy Load

  6. Xenobius1

    Variable AC Dummy Load

    Well I am using either single phase current which is 230VAC at 50Hz or 3 phase supply which is 400VAC between phases at same frequency.
  7. Xenobius1

    Variable AC Dummy Load

    Yes I agree about the heat in the dummy load. Well at least its only Heat and not BANG .. there goes the bulb ... hehe Im still terribly interested in knowing more. For example about the DIY resistors .. using some special wire you said.. Any more information please? thanks guys please keep...
  8. Xenobius1

    Variable AC Dummy Load

    hmm  :o thanks mate. Do you think you can explain this a little better as I coudn't imagine how to doit. Thankyou !!
  9. Xenobius1

    Variable AC Dummy Load

    Cool did you buy it or did you make it? Do you have any pictures or anything? thanks :D :D
  10. Xenobius1

    Variable AC Dummy Load

    Nice to see you are interested. Well I am working with 230vac at 50hz. I have some solidstate relays which I need to load to test them. I know its expensive but I still would like to give it a shot here Thanks guys!! Looking forward to your help as I am lost hehe  :D Will post some pictures...
  11. Xenobius1

    Variable AC Dummy Load

    Hi guys, I am looking for a circuit so that I can build a variable dummy load AC not DC. Could anyone help out? I am currently using rows and rows of 200W bulbs .. but they heat up too much. Any other IDEA apart from Resistors which are really really expensive? thankyou PS. I did find a DC...
  12. Xenobius1

    Computer IDE Switch

    Hmm No no I need to use the motherboard IDE Sockes! :p all PCI Slots are booked  :-X I was reading in that article that if you remove the power of a hdd, the bios will still detect it. Could anyone tell me which pins does the bios use to dedect this? thanks guys
  13. Xenobius1

    Computer IDE Switch

    Dear friends, I have a problem right now. I have 2 hardisks in my pc and 3 optical drives. Since I use all of them, I have to turn off the computer, unplug a cd-rom and plug in my dvdrom and turn on the computer again. Is it possible to make a switch not on the power but on the IDE cable so...
  14. Xenobius1

    19v 5A PSu

    THANKS dude! Will give them a look and let you know  ;) sorry took me some time to reply.. vb project giving me a head ache  :P
  15. Xenobius1

    19v 5A PSu

    Could you kindly send me a link to a schematic that will do the job for the motor please? thanks dude!
  16. Xenobius1

    19v 5A PSu

    Thanks for the reply buddy. It should run only in one direction. and it i a DC Motor. Power is already supplied (2 large batteries) also when I connect them, it gives a hell of a kick start. thanks a lot
  17. Xenobius1

    19v 5A PSu

    Hello, I would like to build my own Laptop Psu because the original one broke. Could somone kindly enough point me to a Circuit of a Fixed PSU which gives me 19v @ 5A ?? ALSO since a PWM Power Supply does not heat up that much, is it good for a Laptop?? thanks a lot PS.. Speaking of PWM.. I...
  18. Xenobius1

    Magnet Wire or Enameled Wire?

    Umm .. think I didn't explain myself. The coil is like this picture PS. The picture above is just a spiral thing I found just to show you what I want. As you can see, it is more difficult to wind it, because it moves a lot ! :( thanks
  19. Xenobius1

    Magnet Wire or Enameled Wire?

    Ok this is stupid ... But i must ask.. Could somone help me by giving me IDEAs on how to make the coil ROUND flat on the table not as we usually see it wound on a rod. I am trying al sort of stuff but the coil just doesn't come roundish ... any ideas on how to make it perfectly round with...
  20. Xenobius1

    Magnet Wire or Enameled Wire?

    OH I love you guys !! Really I was going to wast a lot of money !! THANKS A LOT Will try it with normal wire. PS.. My coil is not going to touch because it is going to be like a spiral with 10mm away from each turn !!  WIPPY .. Cheers
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