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Recent content by JohnRocks

  1. J

    LED lamp creating considration

    According to my opinion one of the defining features of LEDs is that they emit light in a specific direction. Since directional lighting reduces the need for reflectors and diffusers that can trap light, well-designed led fixtures can deliver light efficiently to the intended location.
  2. J

    Battery charger thinks batteries are bad...?

    Choosing the right charger makes good sense since we are also ensuring that our battery and boat will perform excellently for long. As such try not to make impulsive decisions when buying. It might help to shop online for batteries so that we can be more relaxed and able to decide rightly.
  3. J

    Doubt in Network Addressing

    In my opinion physical address is macs address which inbuilt and logical address is the ip which is given manually.
  4. J

    Induction lamp and Hid lamps ballast

    Induction lighting is benefits to both large scale and small scale projects. With the longest rated lamp life of outdoor lighting technologies, induction lights provide an ideal lighting source in places where replacements must be minimized for the sake of cost effectiveness and where routine...
  5. J

    How can I design an adjustable voltage power supply?

    Adjustable voltage regulator is made by combining a common 78L05 with an integrated audio amplifier of the type tda2030; an adjustable voltage regulator can be constructed in a very simple manner that works very well.
  6. J

    How is metamaterial used in Microwave structures?

    The metamaterial used in wireless power transmission would likely be made of hundreds to thousands depending on the application of individual thin conducting loops arranged into an array. Each piece is made from the same copper-on-fiberglass substrate used in printed circuit boards, with excess...
  7. J

    [SOLVED] What does it meam by Automotive Grade Components?

    Automotive grades determine in what applications devices can be used and the process for achieving these grades is complex. All automotive-grade components are created equal. The automotive electronics council has defined three critical grade levels to differentiate components.
  8. J

    How long will dell laptop battery last and how Prolonging Battery’s Life?

    All rechargeable batteries wear out with time and usage. As time and cumulative use increase, the performance will degrade. For a power user, reduction in run time generally may be experienced prior to 18 months.
  9. J

    laptop bios resetting

    Most modern computers store their BIOS in a ROM chip on the motherboard. Resetting BIOS may be very easy or very difficult. Depending on the manufacturer it may require disassembling your computer. If you're not comfortable doing this, take the computer to a professional who specializes in...
  10. J

    memory card format message

    The problem seems that the data is corrupt. You can still retrieve the data, First you have to download a "Data recovery software" and run it this will back up the data from your memory card to your computer then when you backed everything up, format the memory so it will work again. After...
  11. J

    Download youtube files which are not ".flv"

    I use YouTube Downloader to download video files from youtube. First they save in my pc in .flv format than I convert them to mpeg format to play with windows media player.
  12. J

    Scanner AR3000 service manual

    You can download it from devicemanuals(dot)com.
  13. J

    Philips 170s SMPS ossicilator ic (DAP02A)

    I am not completely sure but I have heard that we can use DAP02ALSZ at the place of DAP02A
  14. J

    Need Manuals for Kenwood CS-1044 Oscilloscope

    Hello, I am also looking for Kenwood CS-6020 Oscilloscope service manual. Any help would be appreciative. Thanks in advance!
  15. J

    sharp washing machine 4-pin timer (time switch)?

    I think you need to contact to sharp service center, they maybe help you to get 4-pin time switch.

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