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  1. H

    Car audio question

    A Speaker don't care aslong as it gets audio it makes a sound.
  2. H

    power supply failure alarm

    You will be using all of them as power Just Recycled Power. Even better. ???
  3. H

    7.6MHz Crystals

    Are you sure it is not 7.68MHZ ? Mouser has several in-stock 7.6MHz Crystals http://www.mouser.com/search/Refine.aspx?Ne=1447464+254016&Ntt=*7.6*%2b*MHz*%2b*Crystal*&Msb=0&Mkw=7.6+MHz+Crystal&N=1323038 IN-STOCK ITEMS Mouser Part #: 520-HCA768-20X IN-STOCK Manufacturer Part #...
  4. H

    Siemens screen pinout?

    I did not find what you seak but, here are my search results. LM15SGFNZ07  C60 datasheet or just the pinout http://www.eio.com/public/lcd.2004/0581.html Siemens A60. Its a 101x80 pixel display module, 4096 colors on-glas controller is named DJ3N0091...
  5. H

    power supply failure alarm

    other alternitives Vodca Beer and Pee http://www.theregister.com/2005/08/15/pee-powered_battery/ http://www.theinquirer.net/default.aspx?article=15064 http://www.brighthand.com/default.asp?newsID=11697
  6. H

    power supply failure alarm

    Where else are you going to get power? A Capacitor can only hold a charge for so long. Solar won't work at night. I guess you could hook a bunch of Crystal sets up to get your power or your Plants...... http://www.mitedu.freeserve.co.uk/Circuits/Misc/potplant.htm
  7. H

    efficient 12v to 5v regulator chip.

    Here are a couple more
  8. H

    power supply failure alarm

    Here is one from our Projects section. http://www.electronics-lab.com/projects/test/019/index.html
  9. H

    power supply failure alarm

    Here is a circuit of a low battery Alarm.
  10. H

    Clapper circuit

    First off this should be in the Circuit Request Section Check out these posts they will help you on your Quest. http://www.electronics-lab.com/forum/index.php?topic=1486.msg8973#msg8973 http://www.electronics-lab.com/forum/index.php?topic=1467.msg8772#msg8772
  11. H

    Need Aiwa NSX-520 schematic

    Here is NSX-AV520 NSX-AV520.pdf
  12. H

    SCR tester

    Nice bunch of circuits. Here are a couple I found very usefull.
  13. H

    MARANTZ 170DC

    Does 10x mean Thanks?
  14. H

    efficient 12v to 5v regulator chip.

    or you could just use an LM323 Regulator 5 volts 3 amps LM123_LM323.pdf
  15. H

    efficient 12v to 5v regulator chip.

    Sorry I modified my post the Datasheet showes the best circuit with the Short circuit Protection.
  16. H

    efficient 12v to 5v regulator chip.

    Just add a Transistor that can handle the load. 1 To3 Style 2N3055 would handle it with a small heatsink. The Datasheet Has a circuit for the Job. LM78xx.pdf
  17. H

    Ignition Coil Dirver problems

    Here is one that does not use a 555.
  18. H

    Hi! Has anyone tried this great intercom circuit?

    Is that why I hear a humm like the old Tube Intercoms use to have?
  19. H

    Need Vishay ETG 50

    What you have there is a very special 50 ohm Temperature Sensor. The Vishay Website will tell you a Distributor Near you. Click Here for Distributor ETG50 Vishay http://www.vishay.com/brands/measurements_group/guide/500/lists/ts_list.htm ETG Sensors have a polyimide carrier for flexibility...
  20. H

    ADB424

    Looked for an Hour without much luck. What is the model number and manufacture of the D-Link?
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