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Recent content by smeezekitty

  1. S

    No output from regulator curcuit

    That fixed it :D
  2. S

    No output from regulator curcuit

    I get 0 volts out, the transformer is putting out 15vac. The IC is a (PQ)120RDA2.
  3. S

    how can i convert AC to DC

    Where did you get 500ams @ 5v ac?
  4. S

    Most Efficient way 12V DC to 3.7V DC

    **broken link removed**
  5. S

    How to calculate dropping resistor?

    Thank you.
  6. S

    How to calculate dropping resistor?

    Say i have something that takes 9V @ 1ampere dc fed from a 12v regulated source. What resistor / calculation to use to get the correct ohms in series to make the voltage within 9v +/- 1v.
  7. S

    why fan not running continuously?

    It looks like there should be a cap across the output. And WTF is with the cap inside the rectfier? Also i agree with the above post that the regulator should be heatsinked.
  8. S

    Want to switch from a cordless mower to a corded one. B&

    [URL=http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=237-1351-ND] + [URL=http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=GBJ2001-FDI-ND] + [URL=http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=P12407-ND] = Power supply. Note: Although the...
  9. S

    Want to switch from a cordless mower to a corded one. B&

    Do you live in USA (120v mains) or somewhere else (235v mains)?
  10. S

    Can Anyone Identify this Part?

    There was a circle on the connector!
  11. S

    [SOLVED] My sine wave inverter.

    ... I dont think everyone gets the complexity of a pure sine wave inverter! ... Good luck ;)
  12. S

    I'm looking for a big led display moving message (256x256)

    You do know thats over 65000 leds, right?
  13. S

    alternative to NPN 2N222 transistor

    Also GE transistors operate at .3v instead of .5v for silicon. OFFTOPIC: I wonder why back in the old days, it was mainly pnps but now mainly npns.
  14. S

    Lego Mindstorms to operate large motors

    Any 12 volt relay should trigger at 7.2v. Usually relays only take around 100ma.
  15. S

    Want to switch from a cordless mower to a corded one. B&

    ^ WTF Its not that dangerous and there are devices that can supply the current.
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