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  1. ante1

    Car inverter + 12v to 19v + 555 timer

    Stuee, What kind of power requirement does the projector have? And what kind of power supply input does it have (transformer of switch mode)? Do you need a timer for cooling the print head? Why no just put a micro switch (a small one like in VCR: s) at the park position and let a small fan...
  2. ante1

    Make a Microwave oven on a small-scale

    Dazza, in a microwave oven the lower power settings is accomplished by switching the magnetron on and off (pulsing). Still during the
  3. ante1

    60W Linear Amplifier

    Audioguru, You are correct about the over rated power but 30W (71%eff) output requires no heat what so ever. The text does not reveal anything about the input power required for full output power. I
  4. ante1

    solid state toggle switch

    Merrill, Try this one; the potentiometer can be adjusted for reliable toggling. You can use 40106, 74LS14 or 74LS132 and many others if you don
  5. ante1

    60W Linear Amplifier

    Audioguru, I
  6. ante1

    LM317 Power Supply questions?

    Jay, The data sheet for the LM317 has info on the 220/240R issue and even the bypass transistor circuit. Tony Van Roon:s page is also valuable info. If you need to go down to zero volts I would not recommend using diodes. It
  7. ante1

    solid state toggle switch

    Merrill, Welcome to the forum! Why don
  8. ante1

    Laser Applications???

    Browse here for ideas: http://homepage.ntlworld.com/electricstuff/lasfluo.html http://www.metrologic.com/edu/global_info/funw.asp
  9. ante1

    Make a Microwave oven on a small-scale

    Dazza, here are some links about microwaves. This guy Sam, he
  10. ante1

    Laser Applications???

    Suraj, why didn
  11. ante1

    12v Relay on When Car Running

    Yes John, this will disable the starter switch as soon as the alternator is charging.
  12. ante1

    Laser Applications???

    Ammar, I know that they are using laser guns to measure the speed! ;D
  13. ante1

    Laser Applications???

    Hi Suraj, How do you explain that the cops measure your speed with a laser? They don
  14. ante1

    AA battery power rating

    AJB2K3, Alkaline cells are 1.5V! NiCd cells are 1.2 Volts!
  15. ante1

    oscope to tv

    Hi Audioguru, No tan so far, but a swim to Greece would have given you a tan for sure! I have been there; Greece is fantastic, very nice people and good food unlike the French. Of curse there are room for improvement in these circuits but its something to start with don
  16. ante1

    oscope to tv

    Or this one: http://www.electronixandmore.com/project/14.html
  17. ante1

    oscope to tv

    This might be something: http://www.electronixandmore.com/project/13.html
  18. ante1

    Car inverter + 12v to 19v + 555 timer

    stuee, Here is a solution for the 12 to 19Volt issue. If you have problems reading any part of it, please let me know and I will help. [attachment deleted by admin]
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