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    To fix laptop screen vertical lines

    Has one really fixed laptop screen vertical line(s) so confidently help out here now ? Many say the laptop screen vertical line(s) is caused by defective Embedded DisplayPort (EDP) cable which is slipped into and passed through either laptop screen hinge but on old laptop, Lenovo ideapad, this...
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    Simplest BJT configuration for a SPDT, single pole double throw switch

    How is the simplest BJT configuration for performing a single pole double throw switch, preferably by clear explanation ?
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    Some of good gyration air mouse?

    Which or what product brand, do you think, would be some of the best (wireless, of course) gyration air mouse which's really in PC mouse size, not TV remote control size ?
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    Practical, simple circuit and method in make our own oscillating volt meter

    How is the simplest, most practical circuit and method in make our own oscillating signal volt meter Arose as to meter the R Load Voltage on which impose oscillating current source on creating BIR, battery internal resistance, meter Sincere help is always useful forever, thanks before
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    High power PSU have more extra transformers than the main one

    Yes correct this specs supply many V output so T are for each different output lines
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    High power PSU have more extra transformers than the main one

    Why most high power (at least 12A) AC-DC step-down (switching mode) PSU have many extra transformers instead of just one?
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    What optical mouse product works on a smooth surface?

    What is the latest known tech on optical mouse, in production and market, works on a smooth granite tile surface?
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    How do I measure a material's capacity for ultrasonic media use?

    How do we measure a material's quality/property for ultrasonic media use?
    • abdan
    • Thread
    • Replies: 3
    • Forum: Audio
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    What's bridge purpose in connecting the two functional circuit

    I'm so noob in this Please be patient explain me in plain English what's generally simply meant by 'coupling capacitor'
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    What's bridge purpose in connecting the two functional circuit

    Anyone generous enough explain the function/purpose on connection between the first pin of each R12 - R22 interposed by a low C ?
  11. A

    The first inductor in the SMPS

    What or how exactly is the first inductor's function and working mechanism lying in most SMPS as shown ?
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